298653 has 4 divisors (see below), whose sum is σ = 398208. Its totient is φ = 199100.

The previous prime is 298651. The next prime is 298667. The reversal of 298653 is 356892.

It is a happy number.

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 298653 - 2¹ = 298651 is a prime.

It is a super-2 number, since 2×298653² = 178387228818, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁸ + 9³ + 6³ + 8⁶ + 5⁶ + 3⁹ .

It is a D-number.

It is a Curzon number.

298653 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49773 + ... + 49778.

It is an arithmetic number, because the mean of its divisors is an integer number (99552).

2²⁹⁸⁶⁵³ is an apocalyptic number.

It is an amenable number.

298653 is a deficient number, since it is larger than the sum of its proper divisors (99555).

298653 is an equidigital number, since it uses as much as digits as its factorization.

298653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99554.

The product of its digits is 12960, while the sum is 33.

The square root of 298653 is about 546.4915369885. The cubic root of 298653 is about 66.8429528811.

The spelling of 298653 in words is "two hundred ninety-eight thousand, six hundred fifty-three".