298791 has 6 divisors (see below), whose sum is σ = 431600. Its totient is φ = 199188.

The previous prime is 298777. The next prime is 298799. The reversal of 298791 is 197892.

It is a happy number.

It is not a de Polignac number, because 298791 - 2⁵ = 298759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298799) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16591 + ... + 16608.

2²⁹⁸⁷⁹¹ is an apocalyptic number.

298791 is a deficient number, since it is larger than the sum of its proper divisors (132809).

298791 is a wasteful number, since it uses less digits than its factorization.

298791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33205 (or 33202 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 298791 is about 546.6177823672. The cubic root of 298791 is about 66.8532467752.

It can be divided in two parts, 298 and 791, that added together give a square (1089 = 33²).

The spelling of 298791 in words is "two hundred ninety-eight thousand, seven hundred ninety-one".