899712 has 96 divisors (see below), whose sum is σ = 2864160. Its totient is φ = 268800.

The previous prime is 899711. The next prime is 899719. The reversal of 899712 is 217998.

It is a happy number.

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 (36).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (899711) 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, 12637 + ... + 12707.

It is an arithmetic number, because the mean of its divisors is an integer number (29835).

2⁸⁹⁹⁷¹² 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 899712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1432080).

899712 is an abundant number, since it is smaller than the sum of its proper divisors (1964448).

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

899712 is a wasteful number, since it uses less digits than its factorization.

899712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 87 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 899712 is about 948.5314965777. The cubic root of 899712 is about 96.5386388084.

It can be divided in two parts, 8997 and 12, that added together give a palindrome (9009).

The spelling of 899712 in words is "eight hundred ninety-nine thousand, seven hundred twelve".