996817960 has 64 divisors (see below), whose sum is σ = 2284228800. Its totient is φ = 391412736.

The previous prime is 996817951. The next prime is 996817973. The reversal of 996817960 is 69718699.

996817960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1160011 + ... + 1160869.

It is an arithmetic number, because the mean of its divisors is an integer number (35691075).

Almost surely, 2^996817960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 996817960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142114400).

996817960 is an abundant number, since it is smaller than the sum of its proper divisors (1287410840).

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

996817960 is a wasteful number, since it uses less digits than its factorization.

996817960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 55.

The square root of 996817960 is about 31572.4240437759. The cubic root of 996817960 is about 998.9381929649.

The spelling of 996817960 in words is "nine hundred ninety-six million, eight hundred seventeen thousand, nine hundred sixty".