298920 has 64 divisors (see below), whose sum is σ = 933120. Its totient is φ = 76544.

The previous prime is 298897. The next prime is 298937. The reversal of 298920 is 29892.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

298920 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 15 ways as a sum of consecutive naturals, for example, 5614 + ... + 5666.

It is an arithmetic number, because the mean of its divisors is an integer number (14580).

2²⁹⁸⁹²⁰ is an apocalyptic number.

298920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466560).

298920 is an abundant number, since it is smaller than the sum of its proper divisors (634200).

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

298920 is a wasteful number, since it uses less digits than its factorization.

298920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 298920 is about 546.7357679904. The cubic root of 298920 is about 66.8628664626.

The spelling of 298920 in words is "two hundred ninety-eight thousand, nine hundred twenty".