899968 has 32 divisors (see below), whose sum is σ = 1836000. Its totient is φ = 439296.

The previous prime is 899939. The next prime is 899971. The reversal of 899968 is 869998.

899968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is an Ulam number.

It is a nialpdrome in base 16.

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, 10068 + ... + 10156.

It is an arithmetic number, because the mean of its divisors is an integer number (57375).

2⁸⁹⁹⁹⁶⁸ 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 899968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (918000).

899968 is an abundant number, since it is smaller than the sum of its proper divisors (936032).

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

899968 is an equidigital number, since it uses as much as digits as its factorization.

899968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 170 counting only the distinct ones).

The product of its digits is 279936, while the sum is 49.

The square root of 899968 is about 948.6664324197. Note that the first 3 decimals coincide. The cubic root of 899968 is about 96.5477941633.

The spelling of 899968 in words is "eight hundred ninety-nine thousand, nine hundred sixty-eight".