38865912 has 64 divisors (see below), whose sum is σ = 99792000. Its totient is φ = 12610944.

The previous prime is 38865899. The next prime is 38865913. The reversal of 38865912 is 21956883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38865913) 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, 217039 + ... + 217217.

It is an arithmetic number, because the mean of its divisors is an integer number (1559250).

Almost surely, 2^38865912 is an apocalyptic number.

It is an amenable number.

38865912 is an abundant number, since it is smaller than the sum of its proper divisors (60926088).

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

38865912 is a wasteful number, since it uses less digits than its factorization.

38865912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 376 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 38865912 is about 6234.2531228688. The cubic root of 38865912 is about 338.7320478134.

The spelling of 38865912 in words is "thirty-eight million, eight hundred sixty-five thousand, nine hundred twelve".