38813900 has 36 divisors (see below), whose sum is σ = 84505008. Its totient is φ = 15474240.

The previous prime is 38813899. The next prime is 38813911. The reversal of 38813900 is 931883.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48302 + ... + 49098.

Almost surely, 2^38813900 is an apocalyptic number.

It is an amenable number.

38813900 is an abundant number, since it is smaller than the sum of its proper divisors (45691108).

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

38813900 is a wasteful number, since it uses less digits than its factorization.

38813900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298 (or 1291 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 38813900 is about 6230.0802563049. The cubic root of 38813900 is about 338.5808785297.

The spelling of 38813900 in words is "thirty-eight million, eight hundred thirteen thousand, nine hundred".