389744908 has 24 divisors (see below), whose sum is σ = 779907744. Its totient is φ = 166944000.

The previous prime is 389744903. The next prime is 389744909. The reversal of 389744908 is 809447983.

It is not an unprimeable number, because it can be changed into a prime (389744903) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 101748 + ... + 105508.

It is an arithmetic number, because the mean of its divisors is an integer number (32496156).

Almost surely, 2^389744908 is an apocalyptic number.

It is an amenable number.

389744908 is an abundant number, since it is smaller than the sum of its proper divisors (390162836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389744908 is a wasteful number, since it uses less digits than its factorization.

389744908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473 (or 7471 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 389744908 is about 19741.9580589160. The cubic root of 389744908 is about 730.4550287507.

The spelling of 389744908 in words is "three hundred eighty-nine million, seven hundred forty-four thousand, nine hundred eight".