299798 has 4 divisors (see below), whose sum is σ = 449700. Its totient is φ = 149898.

The previous prime is 299777. The next prime is 299807. The reversal of 299798 is 897992.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74948 + ... + 74951.

It is an arithmetic number, because the mean of its divisors is an integer number (112425).

2²⁹⁹⁷⁹⁸ is an apocalyptic number.

299798 is a deficient number, since it is larger than the sum of its proper divisors (149902).

299798 is a wasteful number, since it uses less digits than its factorization.

299798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149901.

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

The square root of 299798 is about 547.5381265264. The cubic root of 299798 is about 66.9282665840.

The spelling of 299798 in words is "two hundred ninety-nine thousand, seven hundred ninety-eight".