38699664 has 40 divisors (see below), whose sum is σ = 100201920. Its totient is φ = 12870528.

The previous prime is 38699657. The next prime is 38699671. The reversal of 38699664 is 46699683.

It is an interprime number because it is at equal distance from previous prime (38699657) and next prime (38699671).

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, 34342 + ... + 35450.

It is an arithmetic number, because the mean of its divisors is an integer number (2505048).

Almost surely, 2^38699664 is an apocalyptic number.

It is an amenable number.

38699664 is an abundant number, since it is smaller than the sum of its proper divisors (61502256).

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

38699664 is a wasteful number, since it uses less digits than its factorization.

38699664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847 (or 1841 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 51.

The square root of 38699664 is about 6220.9054003417. The cubic root of 38699664 is about 338.2483848194.

The spelling of 38699664 in words is "thirty-eight million, six hundred ninety-nine thousand, six hundred sixty-four".