38664506 has 16 divisors (see below), whose sum is σ = 61368000. Its totient is φ = 18219168.

The previous prime is 38664497. The next prime is 38664539. The reversal of 38664506 is 60546683.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 38664506.

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, 5006 + ... + 10118.

It is an arithmetic number, because the mean of its divisors is an integer number (3835500).

Almost surely, 2^38664506 is an apocalyptic number.

38664506 is a deficient number, since it is larger than the sum of its proper divisors (22703494).

38664506 is a wasteful number, since it uses less digits than its factorization.

38664506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 38664506 is about 6218.0789637958. The cubic root of 38664506 is about 338.1459227774.

The spelling of 38664506 in words is "thirty-eight million, six hundred sixty-four thousand, five hundred six".