389512708 has 12 divisors (see below), whose sum is σ = 734081740. Its totient is φ = 179775072.

The previous prime is 389512703. The next prime is 389512709. The reversal of 389512708 is 807215983.

It can be written as a sum of positive squares in 2 ways, for example, as 256064004 + 133448704 = 16002^2 + 11552^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (389512703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3745263 + ... + 3745366.

Almost surely, 2^389512708 is an apocalyptic number.

It is an amenable number.

389512708 is a deficient number, since it is larger than the sum of its proper divisors (344569032).

389512708 is a wasteful number, since it uses less digits than its factorization.

389512708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7490646 (or 7490644 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 389512708 is about 19736.0763071083. The cubic root of 389512708 is about 730.3099378218.

The spelling of 389512708 in words is "three hundred eighty-nine million, five hundred twelve thousand, seven hundred eight".