3902038392 has 128 divisors (see below), whose sum is σ = 11664000000. Its totient is φ = 1064211456.

The previous prime is 3902038391. The next prime is 3902038433. The reversal of 3902038392 is 2938302093.

It is a super-2 number, since 2×3902038392² = 30451807225283891328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3902038392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3902038391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 429109 + ... + 438107.

It is an arithmetic number, because the mean of its divisors is an integer number (91125000).

Almost surely, 2^3902038392 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 3902038392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5832000000).

3902038392 is an abundant number, since it is smaller than the sum of its proper divisors (7761961608).

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

3902038392 is a wasteful number, since it uses less digits than its factorization.

3902038392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9133 (or 9129 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 3902038392 is about 62466.2980494282. The cubic root of 3902038392 is about 1574.3351041821.

The spelling of 3902038392 in words is "three billion, nine hundred two million, thirty-eight thousand, three hundred ninety-two".