298530839 has 2 divisors, whose sum is σ = 298530840. Its totient is φ = 298530838.

The previous prime is 298530781. The next prime is 298530853. The reversal of 298530839 is 938035892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 298530839 - 2¹² = 298526743 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 298530793 and 298530802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298530539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149265419 + 149265420.

It is an arithmetic number, because the mean of its divisors is an integer number (149265420).

Almost surely, 2^298530839 is an apocalyptic number.

298530839 is a deficient number, since it is larger than the sum of its proper divisors (1).

298530839 is an equidigital number, since it uses as much as digits as its factorization.

298530839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 298530839 is about 17278.0449993626. The cubic root of 298530839 is about 668.3383782611.

The spelling of 298530839 in words is "two hundred ninety-eight million, five hundred thirty thousand, eight hundred thirty-nine".