899390000 has 50 divisors (see below), whose sum is σ = 2177537340. Its totient is φ = 359752000.

The previous prime is 899389993. The next prime is 899390017. The reversal of 899390000 is 93998.

899390000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34970 + ... + 54969.

Almost surely, 2^899390000 is an apocalyptic number.

899390000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

899390000 is an abundant number, since it is smaller than the sum of its proper divisors (1278147340).

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

899390000 is an equidigital number, since it uses as much as digits as its factorization.

899390000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89967 (or 89946 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 899390000 is about 29989.8316100641. The cubic root of 899390000 is about 965.2712062229.

The spelling of 899390000 in words is "eight hundred ninety-nine million, three hundred ninety thousand".