389988696 has 32 divisors (see below), whose sum is σ = 975767040. Its totient is φ = 129890208.

The previous prime is 389988691. The next prime is 389988701. The reversal of 389988696 is 696889983.

It is an interprime number because it is at equal distance from previous prime (389988691) and next prime (389988701).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389988691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26865 + ... + 38751.

It is an arithmetic number, because the mean of its divisors is an integer number (30492720).

Almost surely, 2^389988696 is an apocalyptic number.

It is an amenable number.

389988696 is an abundant number, since it is smaller than the sum of its proper divisors (585778344).

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

389988696 is a wasteful number, since it uses less digits than its factorization.

389988696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13263 (or 13259 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 66.

The square root of 389988696 is about 19748.1314559125. The cubic root of 389988696 is about 730.6072984794.

The spelling of 389988696 in words is "three hundred eighty-nine million, nine hundred eighty-eight thousand, six hundred ninety-six".