996919220 has 24 divisors (see below), whose sum is σ = 2283851808. Its totient is φ = 362516000.

The previous prime is 996919213. The next prime is 996919351. The reversal of 996919220 is 22919699.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2265506 + ... + 2265945.

It is an arithmetic number, because the mean of its divisors is an integer number (95160492).

Almost surely, 2^996919220 is an apocalyptic number.

It is an amenable number.

996919220 is an abundant number, since it is smaller than the sum of its proper divisors (1286932588).

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

996919220 is a wasteful number, since it uses less digits than its factorization.

996919220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531471 (or 4531469 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 996919220 is about 31574.0276176480. The cubic root of 996919220 is about 998.9720169463.

The spelling of 996919220 in words is "nine hundred ninety-six million, nine hundred nineteen thousand, two hundred twenty".