996899904 has 756 divisors, whose sum is σ = 4133179440. Its totient is φ = 226437120.

The previous prime is 996899903. The next prime is 996899909. The reversal of 996899904 is 409998699.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (996899903) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 52468407 + ... + 52468425.

Almost surely, 2^996899904 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 996899904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2066589720).

996899904 is an abundant number, since it is smaller than the sum of its proper divisors (3136279536).

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

996899904 is a wasteful number, since it uses less digits than its factorization.

996899904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 11337408, while the sum is 63.

The square root of 996899904 is about 31573.7217318453. The cubic root of 996899904 is about 998.9655649798.

It can be divided in two parts, 99 and 6899904, that multiplied together give a square (683090496 = 26136²).

The spelling of 996899904 in words is "nine hundred ninety-six million, eight hundred ninety-nine thousand, nine hundred four".