965961964 has 48 divisors (see below), whose sum is σ = 1961680896. Its totient is φ = 411321600.

The previous prime is 965961959. The next prime is 965961973. The reversal of 965961964 is 469169569.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163909 + ... + 169699.

It is an arithmetic number, because the mean of its divisors is an integer number (40868352).

Almost surely, 2^965961964 is an apocalyptic number.

It is an amenable number.

965961964 is an abundant number, since it is smaller than the sum of its proper divisors (995718932).

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

965961964 is a wasteful number, since it uses less digits than its factorization.

965961964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6046 (or 6044 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 55.

The square root of 965961964 is about 31079.9286356967. The cubic root of 965961964 is about 988.5227650311.

The spelling of 965961964 in words is "nine hundred sixty-five million, nine hundred sixty-one thousand, nine hundred sixty-four".