298109 has 8 divisors (see below), whose sum is σ = 350208. Its totient is φ = 248400.

The previous prime is 298099. The next prime is 298153. The reversal of 298109 is 901892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 298109 - 2⁴ = 298093 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 298109.

It is not an unprimeable number, because it can be changed into a prime (298159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317 + ... + 834.

It is an arithmetic number, because the mean of its divisors is an integer number (43776).

2²⁹⁸¹⁰⁹ is an apocalyptic number.

It is an amenable number.

298109 is a deficient number, since it is larger than the sum of its proper divisors (52099).

298109 is a wasteful number, since it uses less digits than its factorization.

298109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 298109 is about 545.9935897060. The cubic root of 298109 is about 66.8023431356.

The spelling of 298109 in words is "two hundred ninety-eight thousand, one hundred nine".