298618 has 4 divisors (see below), whose sum is σ = 447930. Its totient is φ = 149308.

The previous prime is 298607. The next prime is 298621. The reversal of 298618 is 816892.

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

It can be written as a sum of positive squares in only one way, i.e., 267289 + 31329 = 517^2 + 177^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 298618.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74653 + ... + 74656.

2²⁹⁸⁶¹⁸ is an apocalyptic number.

298618 is a deficient number, since it is larger than the sum of its proper divisors (149312).

298618 is a wasteful number, since it uses less digits than its factorization.

298618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149311.

The product of its digits is 6912, while the sum is 34.

The square root of 298618 is about 546.4595135964. The cubic root of 298618 is about 66.8403416068.

The spelling of 298618 in words is "two hundred ninety-eight thousand, six hundred eighteen".