38707916 has 24 divisors (see below), whose sum is σ = 74151504. Its totient is φ = 17570880.

The previous prime is 38707913. The next prime is 38707943. The reversal of 38707916 is 61970783.

It is a super-2 number, since 2×38707916² = 2996605522126112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38707913) 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, 2930 + ... + 9273.

It is an arithmetic number, because the mean of its divisors is an integer number (3089646).

Almost surely, 2^38707916 is an apocalyptic number.

It is an amenable number.

38707916 is a deficient number, since it is larger than the sum of its proper divisors (35443588).

38707916 is a wasteful number, since it uses less digits than its factorization.

38707916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12281 (or 12279 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 38707916 is about 6221.5686124964. The cubic root of 38707916 is about 338.2724248843.

The spelling of 38707916 in words is "thirty-eight million, seven hundred seven thousand, nine hundred sixteen".