298928 has 40 divisors (see below), whose sum is σ = 705312. Its totient is φ = 119808.

The previous prime is 298897. The next prime is 298937. The reversal of 298928 is 829892.

It is a junction number, because it is equal to n+sod(n) for n = 298891 and 298900.

It is an unprimeable number.

298928 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 7 ways as a sum of consecutive naturals, for example, 1826 + ... + 1982.

2²⁹⁸⁹²⁸ is an apocalyptic number.

298928 is a gapful number since it is divisible by the number (28) 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 298928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352656).

298928 is an abundant number, since it is smaller than the sum of its proper divisors (406384).

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

298928 is a wasteful number, since it uses less digits than its factorization.

298928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 183 counting only the distinct ones).

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

The square root of 298928 is about 546.7430840898. The cubic root of 298928 is about 66.8634629412.

The spelling of 298928 in words is "two hundred ninety-eight thousand, nine hundred twenty-eight".