298057 has 4 divisors (see below), whose sum is σ = 311040. Its totient is φ = 285076.

The previous prime is 298049. The next prime is 298063. The reversal of 298057 is 750892.

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 298057 - 2³ = 298049 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

298057 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (298087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6457 + ... + 6502.

It is an arithmetic number, because the mean of its divisors is an integer number (77760).

2²⁹⁸⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

298057 is a deficient number, since it is larger than the sum of its proper divisors (12983).

298057 is a wasteful number, since it uses less digits than its factorization.

298057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12982.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 298057 is about 545.9459680225. The cubic root of 298057 is about 66.7984587355.

The spelling of 298057 in words is "two hundred ninety-eight thousand, fifty-seven".