389916562 has 16 divisors (see below), whose sum is σ = 697491072. Its totient is φ = 159841440.

The previous prime is 389916547. The next prime is 389916563. The reversal of 389916562 is 265619983.

It is not an unprimeable number, because it can be changed into a prime (389916563) by changing a digit.

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, 605139 + ... + 605782.

It is an arithmetic number, because the mean of its divisors is an integer number (43593192).

Almost surely, 2^389916562 is an apocalyptic number.

389916562 is a deficient number, since it is larger than the sum of its proper divisors (307574510).

389916562 is a wasteful number, since it uses less digits than its factorization.

389916562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210953.

The product of its digits is 699840, while the sum is 49.

The square root of 389916562 is about 19746.3050214464. The cubic root of 389916562 is about 730.5622502707.

The spelling of 389916562 in words is "three hundred eighty-nine million, nine hundred sixteen thousand, five hundred sixty-two".