965391 has 8 divisors (see below), whose sum is σ = 1471104. Its totient is φ = 551640.

The previous prime is 965369. The next prime is 965399. The reversal of 965391 is 193569.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 965391 - 2⁹ = 964879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (965399) 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 in 7 ways as a sum of consecutive naturals, for example, 22965 + ... + 23006.

It is an arithmetic number, because the mean of its divisors is an integer number (183888).

2⁹⁶⁵³⁹¹ is an apocalyptic number.

965391 is a deficient number, since it is larger than the sum of its proper divisors (505713).

965391 is a wasteful number, since it uses less digits than its factorization.

965391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45981.

The product of its digits is 7290, while the sum is 33.

The square root of 965391 is about 982.5431288244. The cubic root of 965391 is about 98.8327960206.

The spelling of 965391 in words is "nine hundred sixty-five thousand, three hundred ninety-one".