899804992 has 56 divisors (see below), whose sum is σ = 1817315136. Its totient is φ = 441965568.

The previous prime is 899804987. The next prime is 899805001. The reversal of 899804992 is 299408998.

899804992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1237333 + ... + 1238059.

It is an arithmetic number, because the mean of its divisors is an integer number (32452056).

Almost surely, 2^899804992 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 899804992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908657568).

899804992 is an abundant number, since it is smaller than the sum of its proper divisors (917510144).

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

899804992 is a wasteful number, since it uses less digits than its factorization.

899804992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 58.

The square root of 899804992 is about 29996.7496905915. The cubic root of 899804992 is about 965.4196469190.

The spelling of 899804992 in words is "eight hundred ninety-nine million, eight hundred four thousand, nine hundred ninety-two".