389326667 has 2 divisors, whose sum is σ = 389326668. Its totient is φ = 389326666.

The previous prime is 389326657. The next prime is 389326723. The reversal of 389326667 is 766623983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389326667 - 2⁶ = 389326603 is a prime.

It is not a weakly prime, because it can be changed into another prime (389326627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194663333 + 194663334.

It is an arithmetic number, because the mean of its divisors is an integer number (194663334).

Almost surely, 2^389326667 is an apocalyptic number.

389326667 is a deficient number, since it is larger than the sum of its proper divisors (1).

389326667 is an equidigital number, since it uses as much as digits as its factorization.

389326667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 50.

The square root of 389326667 is about 19731.3625226440. The cubic root of 389326667 is about 730.1936478819.

The spelling of 389326667 in words is "three hundred eighty-nine million, three hundred twenty-six thousand, six hundred sixty-seven".