299979 has 6 divisors (see below), whose sum is σ = 433316. Its totient is φ = 199980.

The previous prime is 299977. The next prime is 299983. The reversal of 299979 is 979992.

299979 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 299979 - 2¹ = 299977 is a prime.

It is a Duffinian number.

299979 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (299977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16657 + ... + 16674.

2²⁹⁹⁹⁷⁹ is an apocalyptic number.

299979 is a deficient number, since it is larger than the sum of its proper divisors (133337).

299979 is a wasteful number, since it uses less digits than its factorization.

299979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33337 (or 33334 counting only the distinct ones).

The product of its digits is 91854, while the sum is 45.

The square root of 299979 is about 547.7033868802. The cubic root of 299979 is about 66.9417329616.

The spelling of 299979 in words is "two hundred ninety-nine thousand, nine hundred seventy-nine".