961995884 has 12 divisors (see below), whose sum is σ = 1756688304. Its totient is φ = 460084944.

The previous prime is 961995883. The next prime is 961995911. The reversal of 961995884 is 488599169.

It is not an unprimeable number, because it can be changed into a prime (961995883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5228147 + ... + 5228330.

It is an arithmetic number, because the mean of its divisors is an integer number (146390692).

Almost surely, 2^961995884 is an apocalyptic number.

It is an amenable number.

961995884 is a deficient number, since it is larger than the sum of its proper divisors (794692420).

961995884 is a wasteful number, since it uses less digits than its factorization.

961995884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10456504 (or 10456502 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 59.

The square root of 961995884 is about 31016.0584858876. The cubic root of 961995884 is about 987.1680055577.

The spelling of 961995884 in words is "nine hundred sixty-one million, nine hundred ninety-five thousand, eight hundred eighty-four".