299864 has 8 divisors (see below), whose sum is σ = 562260. Its totient is φ = 149928.

The previous prime is 299861. The next prime is 299881. The reversal of 299864 is 468992.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 299864.

It is not an unprimeable number, because it can be changed into a prime (299861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18734 + ... + 18749.

2²⁹⁹⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

299864 is a deficient number, since it is larger than the sum of its proper divisors (262396).

299864 is a wasteful number, since it uses less digits than its factorization.

299864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37489 (or 37485 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 299864 is about 547.5983929852. The cubic root of 299864 is about 66.9331776035.

The spelling of 299864 in words is "two hundred ninety-nine thousand, eight hundred sixty-four".