1387492848 has 160 divisors (see below), whose sum is σ = 4749696000. Its totient is φ = 379171584.

The previous prime is 1387492831. The next prime is 1387492877. The reversal of 1387492848 is 8482947831.

It is a happy number.

It is a super-3 number, since 3×1387492848³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1387492794 and 1387492803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59578 + ... + 79526.

It is an arithmetic number, because the mean of its divisors is an integer number (29685600).

Almost surely, 2^1387492848 is an apocalyptic number.

1387492848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1387492848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2374848000).

1387492848 is an abundant number, since it is smaller than the sum of its proper divisors (3362203152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1387492848 is a wasteful number, since it uses less digits than its factorization.

1387492848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19996 (or 19984 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 1387492848 is about 37249.0650620925. The cubic root of 1387492848 is about 1115.3476358429.

The spelling of 1387492848 in words is "one billion, three hundred eighty-seven million, four hundred ninety-two thousand, eight hundred forty-eight".