965315920 has 20 divisors (see below), whose sum is σ = 2244359700. Its totient is φ = 386126336.

The previous prime is 965315917. The next prime is 965315963. The reversal of 965315920 is 29513569.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 691479616 + 273836304 = 26296^2 + 16548^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6033145 + ... + 6033304.

It is an arithmetic number, because the mean of its divisors is an integer number (112217985).

Almost surely, 2^965315920 is an apocalyptic number.

It is an amenable number.

965315920 is an abundant number, since it is smaller than the sum of its proper divisors (1279043780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

965315920 is a wasteful number, since it uses less digits than its factorization.

965315920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12066462 (or 12066456 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 965315920 is about 31069.5336302301. The cubic root of 965315920 is about 988.3023382608.

The spelling of 965315920 in words is "nine hundred sixty-five million, three hundred fifteen thousand, nine hundred twenty".