38664396 has 36 divisors (see below), whose sum is σ = 100011912. Its totient is φ = 12587904.

The previous prime is 38664389. The next prime is 38664407. The reversal of 38664396 is 69346683.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10941 + ... + 14036.

Almost surely, 2^38664396 is an apocalyptic number.

38664396 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38664396 is an abundant number, since it is smaller than the sum of its proper divisors (61347516).

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

38664396 is a wasteful number, since it uses less digits than its factorization.

38664396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25030 (or 25025 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 38664396 is about 6218.0701186140. The cubic root of 38664396 is about 338.1456021035.

It can be divided in two parts, 38664 and 396, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 38664396 in words is "thirty-eight million, six hundred sixty-four thousand, three hundred ninety-six".