389575564 has 24 divisors (see below), whose sum is σ = 813028608. Its totient is φ = 159701520.

The previous prime is 389575559. The next prime is 389575579. The reversal of 389575564 is 465575983.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301822 + ... + 303109.

It is an arithmetic number, because the mean of its divisors is an integer number (33876192).

Almost surely, 2^389575564 is an apocalyptic number.

It is an amenable number.

389575564 is an abundant number, since it is smaller than the sum of its proper divisors (423453044).

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

389575564 is a wasteful number, since it uses less digits than its factorization.

389575564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604965 (or 604963 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 52.

The square root of 389575564 is about 19737.6686566575. The cubic root of 389575564 is about 730.3492192894.

It can be divided in two parts, 38957 and 5564, that added together give a square (44521 = 211²).

The spelling of 389575564 in words is "three hundred eighty-nine million, five hundred seventy-five thousand, five hundred sixty-four".