298399499 has 2 divisors, whose sum is σ = 298399500. Its totient is φ = 298399498.

The previous prime is 298399483. The next prime is 298399553. The reversal of 298399499 is 994993892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 298399499 - 2⁴ = 298399483 is a prime.

It is a super-2 number, since 2×298399499² = 178084522006902002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (298399799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149199749 + 149199750.

It is an arithmetic number, because the mean of its divisors is an integer number (149199750).

Almost surely, 2^298399499 is an apocalyptic number.

298399499 is a deficient number, since it is larger than the sum of its proper divisors (1).

298399499 is an equidigital number, since it uses as much as digits as its factorization.

298399499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11337408, while the sum is 62.

The square root of 298399499 is about 17274.2438039991. The cubic root of 298399499 is about 668.2403510477.

The spelling of 298399499 in words is "two hundred ninety-eight million, three hundred ninety-nine thousand, four hundred ninety-nine".