38912644 has 9 divisors (see below), whose sum is σ = 68118967. Its totient is φ = 19450084.

The previous prime is 38912623. The next prime is 38912651. The reversal of 38912644 is 44621983.

The square root of 38912644 is 6238.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 10917 + ... + 14035.

Almost surely, 2^38912644 is an apocalyptic number.

38912644 is the 6238-th square number.

It is an amenable number.

38912644 is a deficient number, since it is larger than the sum of its proper divisors (29206323).

38912644 is an frugal number, since it uses more digits than its factorization.

38912644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242 (or 3121 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The cubic root of 38912644 is about 338.8677561588.

The spelling of 38912644 in words is "thirty-eight million, nine hundred twelve thousand, six hundred forty-four".