1388048076 has 84 divisors (see below), whose sum is σ = 3652587400. Its totient is φ = 461334528.

The previous prime is 1388048063. The next prime is 1388048089. The reversal of 1388048076 is 6708408831.

It is an interprime number because it is at equal distance from previous prime (1388048063) and next prime (1388048089).

It is a super-2 number, since 2×1388048076² = 3853354922574603552, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1804620 + ... + 1805388.

Almost surely, 2^1388048076 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 1388048076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1826293700).

1388048076 is an abundant number, since it is smaller than the sum of its proper divisors (2264539324).

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

1388048076 is an equidigital number, since it uses as much as digits as its factorization.

1388048076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 1388048076 is about 37256.5172285333. The cubic root of 1388048076 is about 1115.4963908803.

The spelling of 1388048076 in words is "one billion, three hundred eighty-eight million, forty-eight thousand, seventy-six".