38907612 has 18 divisors (see below), whose sum is σ = 98349888. Its totient is φ = 12969192.

The previous prime is 38907607. The next prime is 38907623. The reversal of 38907612 is 21670983.

38907612 is a `hidden beast` number, since 38 + 9 + 0 + 7 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1080767 = 38907612 / (3 + 8 + 9 + 0 + 7 + 6 + 1 + 2).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 540348 + ... + 540419.

Almost surely, 2^38907612 is an apocalyptic number.

It is an amenable number.

38907612 is an abundant number, since it is smaller than the sum of its proper divisors (59442276).

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

38907612 is a wasteful number, since it uses less digits than its factorization.

38907612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080777 (or 1080772 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 38907612 is about 6237.5966525578. The cubic root of 38907612 is about 338.8531486013.

The spelling of 38907612 in words is "thirty-eight million, nine hundred seven thousand, six hundred twelve".