298775 has 24 divisors (see below), whose sum is σ = 424080. Its totient is φ = 207360.

The previous prime is 298759. The next prime is 298777. The reversal of 298775 is 577892.

298775 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 298775 - 2⁴ = 298759 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 298775.

It is not an unprimeable number, because it can be changed into a prime (298777) 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, 8057 + ... + 8093.

It is an arithmetic number, because the mean of its divisors is an integer number (17670).

2²⁹⁸⁷⁷⁵ is an apocalyptic number.

298775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

298775 is a deficient number, since it is larger than the sum of its proper divisors (125305).

298775 is a wasteful number, since it uses less digits than its factorization.

298775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 78 counting only the distinct ones).

The product of its digits is 35280, while the sum is 38.

The square root of 298775 is about 546.6031467162. The cubic root of 298775 is about 66.8520534427.

The spelling of 298775 in words is "two hundred ninety-eight thousand, seven hundred seventy-five".