389402968 has 8 divisors (see below), whose sum is σ = 730130580. Its totient is φ = 194701480.

The previous prime is 389402957. The next prime is 389402971. The reversal of 389402968 is 869204983.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24337678 + ... + 24337693.

Almost surely, 2^389402968 is an apocalyptic number.

It is an amenable number.

389402968 is a deficient number, since it is larger than the sum of its proper divisors (340727612).

389402968 is a wasteful number, since it uses less digits than its factorization.

389402968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48675377 (or 48675373 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 389402968 is about 19733.2959233880. The cubic root of 389402968 is about 730.2413463581.

The spelling of 389402968 in words is "three hundred eighty-nine million, four hundred two thousand, nine hundred sixty-eight".