965724820 has 12 divisors (see below), whose sum is σ = 2028022164. Its totient is φ = 386289920.

The previous prime is 965724791. The next prime is 965724847. The reversal of 965724820 is 28427569.

It can be written as a sum of positive squares in 2 ways, for example, as 264322564 + 701402256 = 16258^2 + 26484^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24143101 + ... + 24143140.

It is an arithmetic number, because the mean of its divisors is an integer number (169001847).

Almost surely, 2^965724820 is an apocalyptic number.

It is an amenable number.

965724820 is an abundant number, since it is smaller than the sum of its proper divisors (1062297344).

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

965724820 is a wasteful number, since it uses less digits than its factorization.

965724820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48286250 (or 48286248 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 965724820 is about 31076.1133348429. The cubic root of 965724820 is about 988.4418641821.

The spelling of 965724820 in words is "nine hundred sixty-five million, seven hundred twenty-four thousand, eight hundred twenty".