298578 has 16 divisors (see below), whose sum is σ = 682560. Its totient is φ = 85296.

The previous prime is 298559. The next prime is 298579. The reversal of 298578 is 875892.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (298579) by changing a digit.

298578 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, 3513 + ... + 3596.

It is an arithmetic number, because the mean of its divisors is an integer number (42660).

2²⁹⁸⁵⁷⁸ is an apocalyptic number.

298578 is an abundant number, since it is smaller than the sum of its proper divisors (383982).

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

298578 is a wasteful number, since it uses less digits than its factorization.

298578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7121.

The product of its digits is 40320, while the sum is 39.

The square root of 298578 is about 546.4229131360. The cubic root of 298578 is about 66.8373570434.

The spelling of 298578 in words is "two hundred ninety-eight thousand, five hundred seventy-eight".