899612 has 36 divisors (see below), whose sum is σ = 1920240. Its totient is φ = 361152.

The previous prime is 899611. The next prime is 899617. The reversal of 899612 is 216998.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 899612.

It is not an unprimeable number, because it can be changed into a prime (899611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10064 + ... + 10152.

It is an arithmetic number, because the mean of its divisors is an integer number (53340).

2⁸⁹⁹⁶¹² 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 899612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960120).

899612 is an abundant number, since it is smaller than the sum of its proper divisors (1020628).

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

899612 is a wasteful number, since it uses less digits than its factorization.

899612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 117 counting only the distinct ones).

The product of its digits is 7776, while the sum is 35.

The square root of 899612 is about 948.4787820505. The cubic root of 899612 is about 96.5350620262.

The spelling of 899612 in words is "eight hundred ninety-nine thousand, six hundred twelve".