38805912 has 32 divisors (see below), whose sum is σ = 107794800. Its totient is φ = 12935232.

The previous prime is 38805889. The next prime is 38805937. The reversal of 38805912 is 21950883.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89613 + ... + 90044.

Almost surely, 2^38805912 is an apocalyptic number.

It is an amenable number.

38805912 is an abundant number, since it is smaller than the sum of its proper divisors (68988888).

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

38805912 is a wasteful number, since it uses less digits than its factorization.

38805912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179672 (or 179662 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 38805912 is about 6229.4391400832. The cubic root of 38805912 is about 338.5576499989.

The spelling of 38805912 in words is "thirty-eight million, eight hundred five thousand, nine hundred twelve".