1382884888 has 128 divisors (see below), whose sum is σ = 3312691200. Its totient is φ = 525657600.

The previous prime is 1382884871. The next prime is 1382884889. The reversal of 1382884888 is 8884882831.

It is a super-2 number, since 2×1382884888² = 3824741226917545088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382884889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7640158 + ... + 7640338.

It is an arithmetic number, because the mean of its divisors is an integer number (25880400).

Almost surely, 2^1382884888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1382884888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1656345600).

1382884888 is an abundant number, since it is smaller than the sum of its proper divisors (1929806312).

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

1382884888 is a wasteful number, since it uses less digits than its factorization.

1382884888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 437 counting only the distinct ones).

The product of its digits is 6291456, while the sum is 58.

The square root of 1382884888 is about 37187.1602572716. The cubic root of 1382884888 is about 1114.1115508329. Note that the first 3 decimals are identical.

The spelling of 1382884888 in words is "one billion, three hundred eighty-two million, eight hundred eighty-four thousand, eight hundred eighty-eight".