298215 has 24 divisors (see below), whose sum is σ = 541680. Its totient is φ = 155664.

The previous prime is 298213. The next prime is 298223. The reversal of 298215 is 512892.

It is not a de Polignac number, because 298215 - 2¹ = 298213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

298215 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6322 + ... + 6368.

It is an arithmetic number, because the mean of its divisors is an integer number (22570).

2²⁹⁸²¹⁵ is an apocalyptic number.

298215 is a deficient number, since it is larger than the sum of its proper divisors (243465).

298215 is an equidigital number, since it uses as much as digits as its factorization.

298215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 55 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 298215 is about 546.0906518152. The cubic root of 298215 is about 66.8102599370.

The spelling of 298215 in words is "two hundred ninety-eight thousand, two hundred fifteen".