899279 has 4 divisors (see below), whose sum is σ = 928320. Its totient is φ = 870240.

The previous prime is 899273. The next prime is 899291. The reversal of 899279 is 972998.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 899279 - 2⁴ = 899263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14474 + ... + 14535.

It is an arithmetic number, because the mean of its divisors is an integer number (232080).

2⁸⁹⁹²⁷⁹ is an apocalyptic number.

899279 is a deficient number, since it is larger than the sum of its proper divisors (29041).

899279 is a wasteful number, since it uses less digits than its factorization.

899279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29040.

The product of its digits is 81648, while the sum is 44.

The square root of 899279 is about 948.3032215489. The cubic root of 899279 is about 96.5231494303.

The spelling of 899279 in words is "eight hundred ninety-nine thousand, two hundred seventy-nine".