389275402 has 16 divisors (see below), whose sum is σ = 598752000. Its totient is φ = 189700960.

The previous prime is 389275399. The next prime is 389275421. The reversal of 389275402 is 204572983.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116349 + ... + 119647.

It is an arithmetic number, because the mean of its divisors is an integer number (37422000).

Almost surely, 2^389275402 is an apocalyptic number.

389275402 is a deficient number, since it is larger than the sum of its proper divisors (209476598).

389275402 is a wasteful number, since it uses less digits than its factorization.

389275402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 389275402 is about 19730.0634058789. The cubic root of 389275402 is about 730.1615968019.

The spelling of 389275402 in words is "three hundred eighty-nine million, two hundred seventy-five thousand, four hundred two".