899299 has 4 divisors (see below), whose sum is σ = 901264. Its totient is φ = 897336.

The previous prime is 899291. The next prime is 899309. The reversal of 899299 is 992998.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 992998 = 2 ⋅496499.

It is a cyclic number.

It is not a de Polignac number, because 899299 - 2³ = 899291 is a prime.

It is a Duffinian number.

899299 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (899291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109 + ... + 1345.

It is an arithmetic number, because the mean of its divisors is an integer number (225316).

2⁸⁹⁹²⁹⁹ is an apocalyptic number.

899299 is a deficient number, since it is larger than the sum of its proper divisors (1965).

899299 is a wasteful number, since it uses less digits than its factorization.

899299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964.

The product of its digits is 104976, while the sum is 46.

The square root of 899299 is about 948.3137666406. The cubic root of 899299 is about 96.5238649845.

The spelling of 899299 in words is "eight hundred ninety-nine thousand, two hundred ninety-nine".