390628967 has 2 divisors, whose sum is σ = 390628968. Its totient is φ = 390628966.

The previous prime is 390628957. The next prime is 390628993. The reversal of 390628967 is 769826093.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 390628967 - 2¹⁰ = 390627943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390628957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195314483 + 195314484.

It is an arithmetic number, because the mean of its divisors is an integer number (195314484).

Almost surely, 2^390628967 is an apocalyptic number.

390628967 is a deficient number, since it is larger than the sum of its proper divisors (1).

390628967 is an equidigital number, since it uses as much as digits as its factorization.

390628967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 390628967 is about 19764.3357338414. The cubic root of 390628967 is about 731.0069091216.

The spelling of 390628967 in words is "three hundred ninety million, six hundred twenty-eight thousand, nine hundred sixty-seven".