899673872 has 40 divisors (see below), whose sum is σ = 1776504600. Its totient is φ = 441262080.

The previous prime is 899673839. The next prime is 899673877. The reversal of 899673872 is 278376998.

It can be written as a sum of positive squares in 4 ways, for example, as 21381376 + 878292496 = 4624^2 + 29636^2 .

It is not an unprimeable number, because it can be changed into a prime (899673877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437198 + ... + 439250.

It is an arithmetic number, because the mean of its divisors is an integer number (44412615).

Almost surely, 2^899673872 is an apocalyptic number.

It is an amenable number.

899673872 is a deficient number, since it is larger than the sum of its proper divisors (876830728).

899673872 is a wasteful number, since it uses less digits than its factorization.

899673872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571 (or 2565 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 59.

The square root of 899673872 is about 29994.5640408391. The cubic root of 899673872 is about 965.3727508417.

It can be divided in two parts, 89967 and 3872, that added together give a palindrome (93839).

The spelling of 899673872 in words is "eight hundred ninety-nine million, six hundred seventy-three thousand, eight hundred seventy-two".