965399 has 2 divisors, whose sum is σ = 965400. Its totient is φ = 965398.

The previous prime is 965369. The next prime is 965401. The reversal of 965399 is 993569.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 965399 - 2¹⁶ = 899863 is a prime.

Together with 965401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (965329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482699 + 482700.

It is an arithmetic number, because the mean of its divisors is an integer number (482700).

2⁹⁶⁵³⁹⁹ is an apocalyptic number.

965399 is a deficient number, since it is larger than the sum of its proper divisors (1).

965399 is an equidigital number, since it uses as much as digits as its factorization.

965399 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 965399 is about 982.5471998841. The cubic root of 965399 is about 98.8330690223.

The spelling of 965399 in words is "nine hundred sixty-five thousand, three hundred ninety-nine".