298820 has 24 divisors (see below), whose sum is σ = 639744. Its totient is φ = 117216.

The previous prime is 298819. The next prime is 298841. The reversal of 298820 is 28892.

298820 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229 + ... + 1451.

It is an arithmetic number, because the mean of its divisors is an integer number (26656).

2²⁹⁸⁸²⁰ is an apocalyptic number.

298820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298820 is an abundant number, since it is smaller than the sum of its proper divisors (340924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

298820 is a wasteful number, since it uses less digits than its factorization.

298820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 298820 is about 546.6443084859. The cubic root of 298820 is about 66.8554095818.

The spelling of 298820 in words is "two hundred ninety-eight thousand, eight hundred twenty".