299828 has 12 divisors (see below), whose sum is σ = 547680. Its totient is φ = 143352.

The previous prime is 299807. The next prime is 299843. The reversal of 299828 is 828992.

It is a junction number, because it is equal to n+sod(n) for n = 299791 and 299800.

It is a congruent number.

It is an unprimeable number.

299828 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1538 + ... + 1721.

It is an arithmetic number, because the mean of its divisors is an integer number (45640).

2²⁹⁹⁸²⁸ is an apocalyptic number.

It is an amenable number.

299828 is a deficient number, since it is larger than the sum of its proper divisors (247852).

299828 is a wasteful number, since it uses less digits than its factorization.

299828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286 (or 3284 counting only the distinct ones).

The product of its digits is 20736, while the sum is 38.

The square root of 299828 is about 547.5655211936. The cubic root of 299828 is about 66.9304989549.

The spelling of 299828 in words is "two hundred ninety-nine thousand, eight hundred twenty-eight".