3893138256 has 80 divisors (see below), whose sum is σ = 11502013824. Its totient is φ = 1111552512.

The previous prime is 3893138251. The next prime is 3893138269. The reversal of 3893138256 is 6528313983.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3893138251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627586 + ... + 633758.

Almost surely, 2^3893138256 is an apocalyptic number.

It is an amenable number.

3893138256 is an abundant number, since it is smaller than the sum of its proper divisors (7608875568).

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

3893138256 is a wasteful number, since it uses less digits than its factorization.

3893138256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8068 (or 8062 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 3893138256 is about 62395.0178780325. The cubic root of 3893138256 is about 1573.1372291410.

The spelling of 3893138256 in words is "three billion, eight hundred ninety-three million, one hundred thirty-eight thousand, two hundred fifty-six".