389952967 has 2 divisors, whose sum is σ = 389952968. Its totient is φ = 389952966.

The previous prime is 389952961. The next prime is 389952977. The reversal of 389952967 is 769259983.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389952967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389952961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194976483 + 194976484.

It is an arithmetic number, because the mean of its divisors is an integer number (194976484).

Almost surely, 2^389952967 is an apocalyptic number.

389952967 is a deficient number, since it is larger than the sum of its proper divisors (1).

389952967 is an equidigital number, since it uses as much as digits as its factorization.

389952967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 58.

The square root of 389952967 is about 19747.2268179610. The cubic root of 389952967 is about 730.5849861528.

The spelling of 389952967 in words is "three hundred eighty-nine million, nine hundred fifty-two thousand, nine hundred sixty-seven".