899817216 has 36 divisors (see below), whose sum is σ = 2394828072. Its totient is φ = 299938816.

The previous prime is 899817197. The next prime is 899817223. The reversal of 899817216 is 612718998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585051 + ... + 586586.

It is an arithmetic number, because the mean of its divisors is an integer number (66523002).

Almost surely, 2^899817216 is an apocalyptic number.

It is an amenable number.

899817216 is an abundant number, since it is smaller than the sum of its proper divisors (1495010856).

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

899817216 is a wasteful number, since it uses less digits than its factorization.

899817216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171656 (or 1171642 counting only the distinct ones).

The product of its digits is 435456, while the sum is 51.

The square root of 899817216 is about 29996.9534453084. The cubic root of 899817216 is about 965.4240186945.

The spelling of 899817216 in words is "eight hundred ninety-nine million, eight hundred seventeen thousand, two hundred sixteen".