298798 has 4 divisors (see below), whose sum is σ = 448200. Its totient is φ = 149398.

The previous prime is 298777. The next prime is 298799. The reversal of 298798 is 897892.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298799) by changing a digit.

298798 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 as a sum of consecutive naturals, namely, 74698 + ... + 74701.

It is an arithmetic number, because the mean of its divisors is an integer number (112050).

2²⁹⁸⁷⁹⁸ is an apocalyptic number.

298798 is a deficient number, since it is larger than the sum of its proper divisors (149402).

298798 is a wasteful number, since it uses less digits than its factorization.

298798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149401.

The product of its digits is 72576, while the sum is 43.

The square root of 298798 is about 546.6241853413. The cubic root of 298798 is about 66.8537688448.

The spelling of 298798 in words is "two hundred ninety-eight thousand, seven hundred ninety-eight".