298899947 has 2 divisors, whose sum is σ = 298899948. Its totient is φ = 298899946.

The previous prime is 298899941. The next prime is 298899983. The reversal of 298899947 is 749998892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 298899947 - 2¹² = 298895851 is a prime.

It is not a weakly prime, because it can be changed into another prime (298899941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149449973 + 149449974.

It is an arithmetic number, because the mean of its divisors is an integer number (149449974).

Almost surely, 2^298899947 is an apocalyptic number.

298899947 is a deficient number, since it is larger than the sum of its proper divisors (1).

298899947 is an equidigital number, since it uses as much as digits as its factorization.

298899947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23514624, while the sum is 65.

The square root of 298899947 is about 17288.7231165289. The cubic root of 298899947 is about 668.6137126763.

The spelling of 298899947 in words is "two hundred ninety-eight million, eight hundred ninety-nine thousand, nine hundred forty-seven".