38807664 has 40 divisors (see below), whose sum is σ = 114576000. Its totient is φ = 11087808.

The previous prime is 38807653. The next prime is 38807669. The reversal of 38807664 is 46670883.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38807669) 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, 57414 + ... + 58085.

It is an arithmetic number, because the mean of its divisors is an integer number (2864400).

Almost surely, 2^38807664 is an apocalyptic number.

It is an amenable number.

38807664 is an abundant number, since it is smaller than the sum of its proper divisors (75768336).

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

38807664 is a wasteful number, since it uses less digits than its factorization.

38807664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115517 (or 115511 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 38807664 is about 6229.5797611075. The cubic root of 38807664 is about 338.5627449621.

The spelling of 38807664 in words is "thirty-eight million, eight hundred seven thousand, six hundred sixty-four".