38907057 has 16 divisors (see below), whose sum is σ = 59389952. Its totient is φ = 22194000.

The previous prime is 38907013. The next prime is 38907059. The reversal of 38907057 is 75070983.

It is not a de Polignac number, because 38907057 - 2⁶ = 38906993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38907059) 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, 14538 + ... + 17004.

It is an arithmetic number, because the mean of its divisors is an integer number (3711872).

Almost surely, 2^38907057 is an apocalyptic number.

It is an amenable number.

38907057 is a deficient number, since it is larger than the sum of its proper divisors (20482895).

38907057 is a wasteful number, since it uses less digits than its factorization.

38907057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 38907057 is about 6237.5521641105. The cubic root of 38907057 is about 338.8515373965.

The spelling of 38907057 in words is "thirty-eight million, nine hundred seven thousand, fifty-seven".