956399 has 2 divisors, whose sum is σ = 956400. Its totient is φ = 956398.

The previous prime is 956393. The next prime is 956401. The reversal of 956399 is 993659.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 956399 - 2⁴ = 956383 is a prime.

Together with 956401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 956399.

It is not a weakly prime, because it can be changed into another prime (956393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478199 + 478200.

It is an arithmetic number, because the mean of its divisors is an integer number (478200).

2⁹⁵⁶³⁹⁹ is an apocalyptic number.

956399 is a deficient number, since it is larger than the sum of its proper divisors (1).

956399 is an equidigital number, since it uses as much as digits as its factorization.

956399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65610, while the sum is 41.

The square root of 956399 is about 977.9565430018. The cubic root of 956399 is about 98.5249835705.

The spelling of 956399 in words is "nine hundred fifty-six thousand, three hundred ninety-nine".