899854560 has 144 divisors (see below), whose sum is σ = 3349972080. Its totient is φ = 218142720.

The previous prime is 899854531. The next prime is 899854583. The reversal of 899854560 is 65458998.

It is a happy number.

899854560 is a `hidden beast` number, since 8 + 9 + 98 + 545 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 899854497 and 899854506.

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 23 ways as a sum of consecutive naturals, for example, 12565 + ... + 44244.

It is an arithmetic number, because the mean of its divisors is an integer number (23263695).

Almost surely, 2^899854560 is an apocalyptic number.

899854560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899854560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1674986040).

899854560 is an abundant number, since it is smaller than the sum of its proper divisors (2450117520).

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

899854560 is a wasteful number, since it uses less digits than its factorization.

899854560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56841 (or 56830 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The square root of 899854560 is about 29997.5759020625. The cubic root of 899854560 is about 965.4373741090.

The spelling of 899854560 in words is "eight hundred ninety-nine million, eight hundred fifty-four thousand, five hundred sixty".