996622400 has 42 divisors (see below), whose sum is σ = 2452317930. Its totient is φ = 398648320.

The previous prime is 996622391. The next prime is 996622411. The reversal of 996622400 is 4226699.

It can be written as a sum of positive squares in 3 ways, for example, as 15178816 + 981443584 = 3896^2 + 31328^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 309845 + ... + 313044.

Almost surely, 2^996622400 is an apocalyptic number.

It is an amenable number.

996622400 is an abundant number, since it is smaller than the sum of its proper divisors (1455695530).

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

996622400 is a wasteful number, since it uses less digits than its factorization.

996622400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622911 (or 622896 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 996622400 is about 31569.3268854437. The cubic root of 996622400 is about 998.8728633737.

The spelling of 996622400 in words is "nine hundred ninety-six million, six hundred twenty-two thousand, four hundred".