389940967908 has 36 divisors (see below), whose sum is σ = 986884777788. Its totient is φ = 129821993280.

The previous prime is 389940967891. The next prime is 389940967943. The reversal of 389940967908 is 809769049983.

389940967908 is a `hidden beast` number, since 389 + 94 + 0 + 96 + 79 + 0 + 8 = 666.

389940967908 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 65540096064 + 324400871844 = 256008^2 + 569562^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6567091 + ... + 6626202.

Almost surely, 2^389940967908 is an apocalyptic number.

It is an amenable number.

389940967908 is an abundant number, since it is smaller than the sum of its proper divisors (596943809880).

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

389940967908 is a wasteful number, since it uses less digits than its factorization.

389940967908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13194124 (or 13194119 counting only the distinct ones).

The product of its (nonzero) digits is 211631616, while the sum is 72.

The spelling of 389940967908 in words is "three hundred eighty-nine billion, nine hundred forty million, nine hundred sixty-seven thousand, nine hundred eight".