38491312 has 10 divisors (see below), whose sum is σ = 74576948. Its totient is φ = 19245648.

The previous prime is 38491307. The next prime is 38491339. The reversal of 38491312 is 21319483.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1202838 + ... + 1202869.

Almost surely, 2^38491312 is an apocalyptic number.

It is an amenable number.

38491312 is a deficient number, since it is larger than the sum of its proper divisors (36085636).

38491312 is a wasteful number, since it uses less digits than its factorization.

38491312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405715 (or 2405709 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 38491312 is about 6204.1366845033. The cubic root of 38491312 is about 337.6402694490.

The spelling of 38491312 in words is "thirty-eight million, four hundred ninety-one thousand, three hundred twelve".