38765257 has 8 divisors (see below), whose sum is σ = 40219200. Its totient is φ = 37319184.

The previous prime is 38765239. The next prime is 38765261. The reversal of 38765257 is 75256783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38765257 - 2¹¹ = 38763209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38765227) 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, 9228 + ... + 12754.

It is an arithmetic number, because the mean of its divisors is an integer number (5027400).

Almost surely, 2^38765257 is an apocalyptic number.

It is an amenable number.

38765257 is a deficient number, since it is larger than the sum of its proper divisors (1453943).

38765257 is a wasteful number, since it uses less digits than its factorization.

38765257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935.

The product of its digits is 352800, while the sum is 43.

The square root of 38765257 is about 6226.1751501223. The cubic root of 38765257 is about 338.4393787529.

The spelling of 38765257 in words is "thirty-eight million, seven hundred sixty-five thousand, two hundred fifty-seven".