298147979 has 2 divisors, whose sum is σ = 298147980. Its totient is φ = 298147978.

The previous prime is 298147973. The next prime is 298148003. The reversal of 298147979 is 979741892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 298147979 - 2⁴ = 298147963 is a prime.

It is not a weakly prime, because it can be changed into another prime (298147973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149073989 + 149073990.

It is an arithmetic number, because the mean of its divisors is an integer number (149073990).

Almost surely, 2^298147979 is an apocalyptic number.

298147979 is a deficient number, since it is larger than the sum of its proper divisors (1).

298147979 is an equidigital number, since it uses as much as digits as its factorization.

298147979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 56.

The square root of 298147979 is about 17266.9620663277. The cubic root of 298147979 is about 668.0525457070.

The spelling of 298147979 in words is "two hundred ninety-eight million, one hundred forty-seven thousand, nine hundred seventy-nine".