38690256 has 40 divisors (see below), whose sum is σ = 109037664. Its totient is φ = 11724160.

The previous prime is 38690231. The next prime is 38690261. The reversal of 38690256 is 65209683.

38690256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36111 + ... + 37166.

Almost surely, 2^38690256 is an apocalyptic number.

It is an amenable number.

38690256 is an abundant number, since it is smaller than the sum of its proper divisors (70347408).

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

38690256 is a wasteful number, since it uses less digits than its factorization.

38690256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73299 (or 73293 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 38690256 is about 6220.1491943522. The cubic root of 38690256 is about 338.2209728785.

The spelling of 38690256 in words is "thirty-eight million, six hundred ninety thousand, two hundred fifty-six".