38566916 has 12 divisors (see below), whose sum is σ = 68443200. Its totient is φ = 19011720.

The previous prime is 38566907. The next prime is 38566919. The reversal of 38566916 is 61966583.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (38566919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67616 + ... + 68183.

It is an arithmetic number, because the mean of its divisors is an integer number (5703600).

Almost surely, 2^38566916 is an apocalyptic number.

It is an amenable number.

38566916 is a deficient number, since it is larger than the sum of its proper divisors (29876284).

38566916 is a wasteful number, since it uses less digits than its factorization.

38566916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135874 (or 135872 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 38566916 is about 6210.2267269400. The cubic root of 38566916 is about 337.8611873533.

The spelling of 38566916 in words is "thirty-eight million, five hundred sixty-six thousand, nine hundred sixteen".