298381879 has 4 divisors (see below), whose sum is σ = 302469376. Its totient is φ = 294294384.

The previous prime is 298381877. The next prime is 298381901. The reversal of 298381879 is 978183892.

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

It is a cyclic number.

It is not a de Polignac number, because 298381879 - 2¹ = 298381877 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 (298381873) 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, 2043639 + ... + 2043784.

It is an arithmetic number, because the mean of its divisors is an integer number (75617344).

Almost surely, 2^298381879 is an apocalyptic number.

298381879 is a deficient number, since it is larger than the sum of its proper divisors (4087497).

298381879 is an equidigital number, since it uses as much as digits as its factorization.

298381879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087496.

The product of its digits is 1741824, while the sum is 55.

The square root of 298381879 is about 17273.7337886168. The cubic root of 298381879 is about 668.2271979574.

The spelling of 298381879 in words is "two hundred ninety-eight million, three hundred eighty-one thousand, eight hundred seventy-nine".