996965580 has 96 divisors (see below), whose sum is σ = 3103285248. Its totient is φ = 237484800.

The previous prime is 996965579. The next prime is 996965581. The reversal of 996965580 is 85569699.

It is an interprime number because it is at equal distance from previous prime (996965579) and next prime (996965581).

It is a self number, because there is not a number n which added to its sum of digits gives 996965580.

It is not an unprimeable number, because it can be changed into a prime (996965581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3565 + ... + 44795.

It is an arithmetic number, because the mean of its divisors is an integer number (32325888).

Almost surely, 2^996965580 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 996965580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1551642624).

996965580 is an abundant number, since it is smaller than the sum of its proper divisors (2106319668).

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

996965580 is a wasteful number, since it uses less digits than its factorization.

996965580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41287 (or 41285 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 57.

The square root of 996965580 is about 31574.7617568209. The cubic root of 996965580 is about 998.9875018602.

The spelling of 996965580 in words is "nine hundred ninety-six million, nine hundred sixty-five thousand, five hundred eighty".