899872 has 24 divisors (see below), whose sum is σ = 1804572. Its totient is φ = 441600.

The previous prime is 899863. The next prime is 899881. The reversal of 899872 is 278998.

899872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (899863) and next prime (899881).

It can be written as a sum of positive squares in 2 ways, for example, as 767376 + 132496 = 876^2 + 364^2 .

It is a plaindrome in base 13.

It is a nialpdrome in base 16.

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, 1722 + ... + 2182.

2⁸⁹⁹⁸⁷² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902286).

899872 is an abundant number, since it is smaller than the sum of its proper divisors (904700).

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

899872 is a wasteful number, since it uses less digits than its factorization.

899872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 524 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The square root of 899872 is about 948.6158337283. The cubic root of 899872 is about 96.5443611087.

It can be divided in two parts, 899 and 872, that added together give a palindrome (1771).

The spelling of 899872 in words is "eight hundred ninety-nine thousand, eight hundred seventy-two".