899679 has 16 divisors (see below), whose sum is σ = 1324800. Its totient is φ = 538560.

The previous prime is 899671. The next prime is 899681. The reversal of 899679 is 976998.

It is a happy number.

It is not a de Polignac number, because 899679 - 2³ = 899671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4422 + ... + 4620.

It is an arithmetic number, because the mean of its divisors is an integer number (82800).

2⁸⁹⁹⁶⁷⁹ is an apocalyptic number.

899679 is a deficient number, since it is larger than the sum of its proper divisors (425121).

899679 is a wasteful number, since it uses less digits than its factorization.

899679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350.

The product of its digits is 244944, while the sum is 48.

The square root of 899679 is about 948.5141011076. The cubic root of 899679 is about 96.5374584996.

The spelling of 899679 in words is "eight hundred ninety-nine thousand, six hundred seventy-nine".