298839993 has 4 divisors (see below), whose sum is σ = 398453328. Its totient is φ = 199226660.

The previous prime is 298839941. The next prime is 298839997. The reversal of 298839993 is 399938892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 298839993 - 2⁶ = 298839929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (298839997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49806663 + ... + 49806668.

It is an arithmetic number, because the mean of its divisors is an integer number (99613332).

Almost surely, 2^298839993 is an apocalyptic number.

It is an amenable number.

298839993 is a deficient number, since it is larger than the sum of its proper divisors (99613335).

298839993 is an equidigital number, since it uses as much as digits as its factorization.

298839993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99613334.

The product of its digits is 7558272, while the sum is 60.

The square root of 298839993 is about 17286.9891247724. The cubic root of 298839993 is about 668.5690056905.

The spelling of 298839993 in words is "two hundred ninety-eight million, eight hundred thirty-nine thousand, nine hundred ninety-three".