38366864 has 20 divisors (see below), whose sum is σ = 74557356. Its totient is φ = 19126272.

The previous prime is 38366863. The next prime is 38366917. The reversal of 38366864 is 46866383.

It can be written as a sum of positive squares in 2 ways, for example, as 9120400 + 29246464 = 3020^2 + 5408^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (38366863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2252 + ... + 9044.

Almost surely, 2^38366864 is an apocalyptic number.

It is an amenable number.

38366864 is a deficient number, since it is larger than the sum of its proper divisors (36190492).

38366864 is a wasteful number, since it uses less digits than its factorization.

38366864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7154 (or 7148 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The square root of 38366864 is about 6194.0991273954. The cubic root of 38366864 is about 337.2759965805.

The spelling of 38366864 in words is "thirty-eight million, three hundred sixty-six thousand, eight hundred sixty-four".