389479968 has 48 divisors (see below), whose sum is σ = 1135985760. Its totient is φ = 129826368.

The previous prime is 389479967. The next prime is 389479969. The reversal of 389479968 is 869974983.

It is an interprime number because it is at equal distance from previous prime (389479967) and next prime (389479969).

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (389479967) 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, 224530 + ... + 226257.

It is an arithmetic number, because the mean of its divisors is an integer number (23666370).

Almost surely, 2^389479968 is an apocalyptic number.

It is an amenable number.

389479968 is an abundant number, since it is smaller than the sum of its proper divisors (746505792).

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

389479968 is a wasteful number, since it uses less digits than its factorization.

389479968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450806 (or 450792 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The square root of 389479968 is about 19735.2468441618. The cubic root of 389479968 is about 730.2894754878.

The spelling of 389479968 in words is "three hundred eighty-nine million, four hundred seventy-nine thousand, nine hundred sixty-eight".