389453872 has 10 divisors (see below), whose sum is σ = 754566908. Its totient is φ = 194726928.

The previous prime is 389453851. The next prime is 389453893. The reversal of 389453872 is 278354983.

It is an interprime number because it is at equal distance from previous prime (389453851) and next prime (389453893).

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 as a sum of consecutive naturals, namely, 12170418 + ... + 12170449.

Almost surely, 2^389453872 is an apocalyptic number.

It is an amenable number.

389453872 is a deficient number, since it is larger than the sum of its proper divisors (365113036).

389453872 is a wasteful number, since it uses less digits than its factorization.

389453872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24340875 (or 24340869 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 389453872 is about 19734.5856809815. The cubic root of 389453872 is about 730.2731647989.

The spelling of 389453872 in words is "three hundred eighty-nine million, four hundred fifty-three thousand, eight hundred seventy-two".