298278 has 24 divisors (see below), whose sum is σ = 658008. Its totient is φ = 97632.

The previous prime is 298261. The next prime is 298283. The reversal of 298278 is 872892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1201 + ... + 1427.

It is an arithmetic number, because the mean of its divisors is an integer number (27417).

2²⁹⁸²⁷⁸ is an apocalyptic number.

298278 is an abundant number, since it is smaller than the sum of its proper divisors (359730).

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

298278 is a wasteful number, since it uses less digits than its factorization.

298278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 305 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 298278 is about 546.1483314998. The cubic root of 298278 is about 66.8149643169.

It can be divided in two parts, 298 and 278, that added together give a square (576 = 24²).

The spelling of 298278 in words is "two hundred ninety-eight thousand, two hundred seventy-eight".