389668968 has 192 divisors, whose sum is σ = 1249335360. Its totient is φ = 112720896.

The previous prime is 389668933. The next prime is 389668973. The reversal of 389668968 is 869866983.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 429171 + ... + 430077.

It is an arithmetic number, because the mean of its divisors is an integer number (6506955).

Almost surely, 2^389668968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389668968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624667680).

389668968 is an abundant number, since it is smaller than the sum of its proper divisors (859666392).

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

389668968 is a wasteful number, since it uses less digits than its factorization.

389668968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 942 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 63.

The square root of 389668968 is about 19740.0346504255. The cubic root of 389668968 is about 730.4075837366.

The spelling of 389668968 in words is "three hundred eighty-nine million, six hundred sixty-eight thousand, nine hundred sixty-eight".