298669 has 4 divisors (see below), whose sum is σ = 341344. Its totient is φ = 255996.

The previous prime is 298667. The next prime is 298679. The reversal of 298669 is 966892.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 298669 - 2¹ = 298667 is a prime.

It is a super-2 number, since 2×298669² = 178406343122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 21327 + ... + 21340.

It is an arithmetic number, because the mean of its divisors is an integer number (85336).

2²⁹⁸⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

298669 is a deficient number, since it is larger than the sum of its proper divisors (42675).

298669 is an equidigital number, since it uses as much as digits as its factorization.

298669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42674.

The product of its digits is 46656, while the sum is 40.

The square root of 298669 is about 546.5061756284. The cubic root of 298669 is about 66.8441465386.

The spelling of 298669 in words is "two hundred ninety-eight thousand, six hundred sixty-nine".