899464320 has 96 divisors (see below), whose sum is σ = 3105982620. Its totient is φ = 239855616.

The previous prime is 899464309. The next prime is 899464327. The reversal of 899464320 is 23464998.

It can be written as a sum of positive squares in 2 ways, for example, as 895685184 + 3779136 = 29928^2 + 1944^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (899464327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72319 + ... + 83838.

Almost surely, 2^899464320 is an apocalyptic number.

899464320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

899464320 is an abundant number, since it is smaller than the sum of its proper divisors (2206518300).

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

899464320 is a wasteful number, since it uses less digits than its factorization.

899464320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156182 (or 156167 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 899464320 is about 29991.0706711181. The cubic root of 899464320 is about 965.2977934950.

The spelling of 899464320 in words is "eight hundred ninety-nine million, four hundred sixty-four thousand, three hundred twenty".