38565912 has 128 divisors (see below), whose sum is σ = 123379200. Its totient is φ = 9753600.

The previous prime is 38565907. The next prime is 38565913. The reversal of 38565912 is 21956583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38565913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75514 + ... + 76022.

It is an arithmetic number, because the mean of its divisors is an integer number (963900).

Almost surely, 2^38565912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38565912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61689600).

38565912 is an abundant number, since it is smaller than the sum of its proper divisors (84813288).

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

38565912 is a wasteful number, since it uses less digits than its factorization.

38565912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 573 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 38565912 is about 6210.1458920061. The cubic root of 38565912 is about 337.8582555176.

The spelling of 38565912 in words is "thirty-eight million, five hundred sixty-five thousand, nine hundred twelve".