399092963 has 2 divisors, whose sum is σ = 399092964. Its totient is φ = 399092962.

The previous prime is 399092959. The next prime is 399093001. The reversal of 399092963 is 369290993.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 399092963 - 2² = 399092959 is a prime.

It is a super-2 number, since 2×399092963² = 318550386232238738, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (399092923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199546481 + 199546482.

It is an arithmetic number, because the mean of its divisors is an integer number (199546482).

Almost surely, 2^399092963 is an apocalyptic number.

399092963 is a deficient number, since it is larger than the sum of its proper divisors (1).

399092963 is an equidigital number, since it uses as much as digits as its factorization.

399092963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 708588, while the sum is 50.

The square root of 399092963 is about 19977.3112054651. The cubic root of 399092963 is about 736.2489527572.

The spelling of 399092963 in words is "three hundred ninety-nine million, ninety-two thousand, nine hundred sixty-three".