899836560 has 160 divisors (see below), whose sum is σ = 3542273280. Its totient is φ = 205673472.

The previous prime is 899836549. The next prime is 899836579. The reversal of 899836560 is 65638998.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 899836497 and 899836506.

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 31 ways as a sum of consecutive naturals, for example, 14637 + ... + 44876.

It is an arithmetic number, because the mean of its divisors is an integer number (22139208).

Almost surely, 2^899836560 is an apocalyptic number.

899836560 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 899836560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1771136640).

899836560 is an abundant number, since it is smaller than the sum of its proper divisors (2642436720).

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

899836560 is a wasteful number, since it uses less digits than its factorization.

899836560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59542 (or 59530 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 899836560 is about 29997.2758763192. The cubic root of 899836560 is about 965.4309367767.

The spelling of 899836560 in words is "eight hundred ninety-nine million, eight hundred thirty-six thousand, five hundred sixty".