38385500 has 24 divisors (see below), whose sum is σ = 83835024. Its totient is φ = 15354000.

The previous prime is 38385481. The next prime is 38385509. The reversal of 38385500 is 558383.

It is a super-2 number, since 2×38385500² = 2946893220500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38385509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37886 + ... + 38885.

It is an arithmetic number, because the mean of its divisors is an integer number (3493126).

Almost surely, 2^38385500 is an apocalyptic number.

It is an amenable number.

38385500 is an abundant number, since it is smaller than the sum of its proper divisors (45449524).

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

38385500 is a wasteful number, since it uses less digits than its factorization.

38385500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76790 (or 76778 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 38385500 is about 6195.6032797460. The cubic root of 38385500 is about 337.3305962828.

The spelling of 38385500 in words is "thirty-eight million, three hundred eighty-five thousand, five hundred".