38861256 has 32 divisors (see below), whose sum is σ = 111032640. Its totient is φ = 11103168.

The previous prime is 38861239. The next prime is 38861257. The reversal of 38861256 is 65216883.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38861257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115491 + ... + 115826.

It is an arithmetic number, because the mean of its divisors is an integer number (3469770).

Almost surely, 2^38861256 is an apocalyptic number.

It is an amenable number.

38861256 is an abundant number, since it is smaller than the sum of its proper divisors (72171384).

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

38861256 is a wasteful number, since it uses less digits than its factorization.

38861256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231333 (or 231329 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 38861256 is about 6233.8796908506. The cubic root of 38861256 is about 338.7185209693.

The spelling of 38861256 in words is "thirty-eight million, eight hundred sixty-one thousand, two hundred fifty-six".