298131 has 4 divisors (see below), whose sum is σ = 397512. Its totient is φ = 198752.

The previous prime is 298099. The next prime is 298153. The reversal of 298131 is 131892.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 298131 - 2⁵ = 298099 is a prime.

It is a super-2 number, since 2×298131² = 177764186322, which contains 22 as substring.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 298131.

It is not an unprimeable number, because it can be changed into a prime (298171) 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, 49686 + ... + 49691.

It is an arithmetic number, because the mean of its divisors is an integer number (99378).

2²⁹⁸¹³¹ is an apocalyptic number.

298131 is a deficient number, since it is larger than the sum of its proper divisors (99381).

298131 is an equidigital number, since it uses as much as digits as its factorization.

298131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99380.

The product of its digits is 432, while the sum is 24.

The square root of 298131 is about 546.0137360910. The cubic root of 298131 is about 66.8039863996.

The spelling of 298131 in words is "two hundred ninety-eight thousand, one hundred thirty-one".