389570536 has 8 divisors (see below), whose sum is σ = 730444770. Its totient is φ = 194785264.

The previous prime is 389570491. The next prime is 389570549. The reversal of 389570536 is 635075983.

It can be written as a sum of positive squares in only one way, i.e., 278689636 + 110880900 = 16694^2 + 10530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 24348151 + ... + 24348166.

Almost surely, 2^389570536 is an apocalyptic number.

It is an amenable number.

389570536 is a deficient number, since it is larger than the sum of its proper divisors (340874234).

389570536 is a wasteful number, since it uses less digits than its factorization.

389570536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48696323 (or 48696319 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 389570536 is about 19737.5412855806. The cubic root of 389570536 is about 730.3460772274.

The spelling of 389570536 in words is "three hundred eighty-nine million, five hundred seventy thousand, five hundred thirty-six".