298515 has 16 divisors (see below), whose sum is σ = 546048. Its totient is φ = 136416.

The previous prime is 298513. The next prime is 298559. The reversal of 298515 is 515892.

It is not a de Polignac number, because 298515 - 2¹ = 298513 is a prime.

It is a super-2 number, since 2×298515² = 178222410450, which contains 22 as substring.

298515 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 298515.

It is not an unprimeable number, because it can be changed into a prime (298513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1317 + ... + 1526.

It is an arithmetic number, because the mean of its divisors is an integer number (34128).

2²⁹⁸⁵¹⁵ is an apocalyptic number.

298515 is a deficient number, since it is larger than the sum of its proper divisors (247533).

298515 is a wasteful number, since it uses less digits than its factorization.

298515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858.

The product of its digits is 3600, while the sum is 30.

The square root of 298515 is about 546.3652624390. The cubic root of 298515 is about 66.8326558155.

The spelling of 298515 in words is "two hundred ninety-eight thousand, five hundred fifteen".