298290 has 32 divisors (see below), whose sum is σ = 732096. Its totient is φ = 77760.

The previous prime is 298283. The next prime is 298303. The reversal of 298290 is 92892.

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

It is an unprimeable number.

298290 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, 1749 + ... + 1911.

It is an arithmetic number, because the mean of its divisors is an integer number (22878).

2²⁹⁸²⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366048).

298290 is an abundant number, since it is smaller than the sum of its proper divisors (433806).

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

298290 is a wasteful number, since it uses less digits than its factorization.

298290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234.

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

The square root of 298290 is about 546.1593174157. The cubic root of 298290 is about 66.8158603142.

The spelling of 298290 in words is "two hundred ninety-eight thousand, two hundred ninety".