899895520 has 48 divisors (see below), whose sum is σ = 2199324960. Its totient is φ = 347544064.

The previous prime is 899895517. The next prime is 899895541. The reversal of 899895520 is 25598998.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92332 + ... + 101611.

It is an arithmetic number, because the mean of its divisors is an integer number (45819270).

Almost surely, 2^899895520 is an apocalyptic number.

899895520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

899895520 is an abundant number, since it is smaller than the sum of its proper divisors (1299429440).

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

899895520 is a wasteful number, since it uses less digits than its factorization.

899895520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193987 (or 193979 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 55.

The square root of 899895520 is about 29998.2586161264. The cubic root of 899895520 is about 965.4520222965.

The spelling of 899895520 in words is "eight hundred ninety-nine million, eight hundred ninety-five thousand, five hundred twenty".