899112 has 16 divisors (see below), whose sum is σ = 2247840. Its totient is φ = 299696.

The previous prime is 899069. The next prime is 899123. The reversal of 899112 is 211998.

It is a self number, because there is not a number n which added to its sum of digits gives 899112.

It is an unprimeable number.

899112 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18708 + ... + 18755.

It is an arithmetic number, because the mean of its divisors is an integer number (140490).

2⁸⁹⁹¹¹² is an apocalyptic number.

It is an amenable number.

899112 is an abundant number, since it is smaller than the sum of its proper divisors (1348728).

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

899112 is a wasteful number, since it uses less digits than its factorization.

899112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37472 (or 37468 counting only the distinct ones).

The product of its digits is 1296, while the sum is 30.

The square root of 899112 is about 948.2151654556. The cubic root of 899112 is about 96.5171741382.

The spelling of 899112 in words is "eight hundred ninety-nine thousand, one hundred twelve".