298742 has 4 divisors (see below), whose sum is σ = 448116. Its totient is φ = 149370.

The previous prime is 298733. The next prime is 298757. The reversal of 298742 is 247892.

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

It is a junction number, because it is equal to n+sod(n) for n = 298699 and 298708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74684 + ... + 74687.

It is an arithmetic number, because the mean of its divisors is an integer number (112029).

2²⁹⁸⁷⁴² is an apocalyptic number.

298742 is a deficient number, since it is larger than the sum of its proper divisors (149374).

298742 is a wasteful number, since it uses less digits than its factorization.

298742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149373.

The product of its digits is 8064, while the sum is 32.

The square root of 298742 is about 546.5729594482. The cubic root of 298742 is about 66.8495920599.

The spelling of 298742 in words is "two hundred ninety-eight thousand, seven hundred forty-two".