298564 has 12 divisors (see below), whose sum is σ = 597184. Its totient is φ = 127944.

The previous prime is 298559. The next prime is 298579. The reversal of 298564 is 465892.

It is a happy number.

298564 is an admirable number.

It is a d-powerful number, because it can be written as 2¹⁵ + 9 + 5⁵ + 8³ + 6 + 4⁹ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5304 + ... + 5359.

2²⁹⁸⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

298564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

298564 is a wasteful number, since it uses less digits than its factorization.

298564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10674 (or 10672 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 298564 is about 546.4101023956. The cubic root of 298564 is about 66.8363123832.

Adding to 298564 its product of digits (17280), we get a square (315844 = 562²).

The spelling of 298564 in words is "two hundred ninety-eight thousand, five hundred sixty-four".