390314971 has 2 divisors, whose sum is σ = 390314972. Its totient is φ = 390314970.

The previous prime is 390314941. The next prime is 390314983. The reversal of 390314971 is 179413093.

It is a strong prime.

It is an emirp because it is prime and its reverse (179413093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 390314971 - 2²⁵ = 356760539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 390314971.

It is not a weakly prime, because it can be changed into another prime (390314941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195157485 + 195157486.

It is an arithmetic number, because the mean of its divisors is an integer number (195157486).

Almost surely, 2^390314971 is an apocalyptic number.

390314971 is a deficient number, since it is larger than the sum of its proper divisors (1).

390314971 is an equidigital number, since it uses as much as digits as its factorization.

390314971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 390314971 is about 19756.3906369559. The cubic root of 390314971 is about 730.8109902373.

The spelling of 390314971 in words is "three hundred ninety million, three hundred fourteen thousand, nine hundred seventy-one".