298668 has 12 divisors (see below), whose sum is σ = 696920. Its totient is φ = 99552.

The previous prime is 298667. The next prime is 298679. The reversal of 298668 is 866892.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (298667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12433 + ... + 12456.

2²⁹⁸⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

298668 is an abundant number, since it is smaller than the sum of its proper divisors (398252).

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

298668 is a wasteful number, since it uses less digits than its factorization.

298668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24896 (or 24894 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 298668 is about 546.5052607249. The cubic root of 298668 is about 66.8440719362.

The spelling of 298668 in words is "two hundred ninety-eight thousand, six hundred sixty-eight".