996980624 has 20 divisors (see below), whose sum is σ = 1932261744. Its totient is φ = 498332448.

The previous prime is 996980603. The next prime is 996980629. The reversal of 996980624 is 426089699.

It is a Cunningham number, because it is equal to 31575²-1.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (996980629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55259 + ... + 71045.

Almost surely, 2^996980624 is an apocalyptic number.

It is an amenable number.

996980624 is a deficient number, since it is larger than the sum of its proper divisors (935281120).

996980624 is a wasteful number, since it uses less digits than its factorization.

996980624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19742 (or 19736 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 996980624 is about 31574.9999841647. Note that the first 4 decimals coincide. The cubic root of 996980624 is about 998.9925266717.

The spelling of 996980624 in words is "nine hundred ninety-six million, nine hundred eighty thousand, six hundred twenty-four".