298274239 has 4 divisors (see below), whose sum is σ = 298311160. Its totient is φ = 298237320.

The previous prime is 298274233. The next prime is 298274257. The reversal of 298274239 is 932472892.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 298274239 - 2⁷ = 298274111 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 (298274233) 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, 549 + ... + 24430.

It is an arithmetic number, because the mean of its divisors is an integer number (74577790).

Almost surely, 2^298274239 is an apocalyptic number.

298274239 is a deficient number, since it is larger than the sum of its proper divisors (36921).

298274239 is a wasteful number, since it uses less digits than its factorization.

298274239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36920.

The product of its digits is 435456, while the sum is 46.

The square root of 298274239 is about 17270.6177943929. The cubic root of 298274239 is about 668.1468349152.

The spelling of 298274239 in words is "two hundred ninety-eight million, two hundred seventy-four thousand, two hundred thirty-nine".