899972000 has 48 divisors (see below), whose sum is σ = 2211241032. Its totient is φ = 359987200.

The previous prime is 899971987. The next prime is 899972011. The reversal of 899972000 is 279998.

899972000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 522213904 + 377758096 = 22852^2 + 19436^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108497 + ... + 116496.

Almost surely, 2^899972000 is an apocalyptic number.

899972000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

899972000 is an abundant number, since it is smaller than the sum of its proper divisors (1311269032).

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

899972000 is a wasteful number, since it uses less digits than its factorization.

899972000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225018 (or 225000 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 899972000 is about 29999.5333297036. The cubic root of 899972000 is about 965.4793720193.

The spelling of 899972000 in words is "eight hundred ninety-nine million, nine hundred seventy-two thousand".