899134830 has 80 divisors (see below), whose sum is σ = 2637488304. Its totient is φ = 217969920.

The previous prime is 899134813. The next prime is 899134843. The reversal of 899134830 is 38431998.

899134830 is a `hidden beast` number, since 89 + 91 + 3 + 483 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 41547 + ... + 59366.

Almost surely, 2^899134830 is an apocalyptic number.

899134830 is an abundant number, since it is smaller than the sum of its proper divisors (1738353474).

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

899134830 is a wasteful number, since it uses less digits than its factorization.

899134830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100943 (or 100934 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 899134830 is about 29985.5770329670. The cubic root of 899134830 is about 965.1799104368.

The spelling of 899134830 in words is "eight hundred ninety-nine million, one hundred thirty-four thousand, eight hundred thirty".