38857012 has 24 divisors (see below), whose sum is σ = 71914752. Its totient is φ = 18340800.

The previous prime is 38856977. The next prime is 38857069. The reversal of 38857012 is 21075883.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263 + ... + 8905.

It is an arithmetic number, because the mean of its divisors is an integer number (2996448).

Almost surely, 2^38857012 is an apocalyptic number.

It is an amenable number.

38857012 is a deficient number, since it is larger than the sum of its proper divisors (33057740).

38857012 is a wasteful number, since it uses less digits than its factorization.

38857012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7719 (or 7717 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 38857012 is about 6233.5392835852. The cubic root of 38857012 is about 338.7061901469.

The spelling of 38857012 in words is "thirty-eight million, eight hundred fifty-seven thousand, twelve".