298532879 has 2 divisors, whose sum is σ = 298532880. Its totient is φ = 298532878.

The previous prime is 298532867. The next prime is 298532911. The reversal of 298532879 is 978235892.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-298532879 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 298532879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298532279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149266439 + 149266440.

It is an arithmetic number, because the mean of its divisors is an integer number (149266440).

Almost surely, 2^298532879 is an apocalyptic number.

298532879 is a deficient number, since it is larger than the sum of its proper divisors (1).

298532879 is an equidigital number, since it uses as much as digits as its factorization.

298532879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 53.

The square root of 298532879 is about 17278.1040337185. The cubic root of 298532879 is about 668.3399006133.

The spelling of 298532879 in words is "two hundred ninety-eight million, five hundred thirty-two thousand, eight hundred seventy-nine".