298957 has 4 divisors (see below), whose sum is σ = 300700. Its totient is φ = 297216.

The previous prime is 298943. The next prime is 298993. The reversal of 298957 is 759892.

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

It can be written as a sum of positive squares in 2 ways, for example, as 86436 + 212521 = 294^2 + 461^2 .

It is a cyclic number.

It is not a de Polignac number, because 298957 - 2¹¹ = 296909 is a prime.

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 298957.

It is not an unprimeable number, because it can be changed into a prime (298937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582 + ... + 967.

It is an arithmetic number, because the mean of its divisors is an integer number (75175).

2²⁹⁸⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

298957 is a deficient number, since it is larger than the sum of its proper divisors (1743).

298957 is a wasteful number, since it uses less digits than its factorization.

298957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742.

The product of its digits is 45360, while the sum is 40.

The square root of 298957 is about 546.7696041296. The cubic root of 298957 is about 66.8656250870.

The spelling of 298957 in words is "two hundred ninety-eight thousand, nine hundred fifty-seven".