38491384 has 16 divisors (see below), whose sum is σ = 72340920. Its totient is φ = 19200480.

The previous prime is 38491379. The next prime is 38491421. The reversal of 38491384 is 48319483.

38491384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×38491384³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1887 + ... + 8974.

Almost surely, 2^38491384 is an apocalyptic number.

It is an amenable number.

38491384 is a deficient number, since it is larger than the sum of its proper divisors (33849536).

38491384 is a wasteful number, since it uses less digits than its factorization.

38491384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11310 (or 11306 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 38491384 is about 6204.1424870807. The cubic root of 38491384 is about 337.6404799734.

The spelling of 38491384 in words is "thirty-eight million, four hundred ninety-one thousand, three hundred eighty-four".