38505684 has 24 divisors (see below), whose sum is σ = 102682048. Its totient is φ = 11001600.

The previous prime is 38505679. The next prime is 38505713. The reversal of 38505684 is 48650583.

It is a happy number.

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, 229117 + ... + 229284.

Almost surely, 2^38505684 is an apocalyptic number.

It is an amenable number.

38505684 is an abundant number, since it is smaller than the sum of its proper divisors (64176364).

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

38505684 is a wasteful number, since it uses less digits than its factorization.

38505684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458415 (or 458413 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 38505684 is about 6205.2948358640. The cubic root of 38505684 is about 337.6822872609.

The spelling of 38505684 in words is "thirty-eight million, five hundred five thousand, six hundred eighty-four".