298598393 has 4 divisors (see below), whose sum is σ = 302196048. Its totient is φ = 295000740.

The previous prime is 298598383. The next prime is 298598411. The reversal of 298598393 is 393895892.

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 298598393 - 2⁸ = 298598137 is a prime.

It is a super-2 number, since 2×298598393² = 178322000604364898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298598303) 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, 1798703 + ... + 1798868.

It is an arithmetic number, because the mean of its divisors is an integer number (75549012).

Almost surely, 2^298598393 is an apocalyptic number.

It is an amenable number.

298598393 is a deficient number, since it is larger than the sum of its proper divisors (3597655).

298598393 is an equidigital number, since it uses as much as digits as its factorization.

298598393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597654.

The product of its digits is 4199040, while the sum is 56.

The square root of 298598393 is about 17279.9997974537. Note that the first 3 decimals coincide. The cubic root of 298598393 is about 668.3887868173.

The spelling of 298598393 in words is "two hundred ninety-eight million, five hundred ninety-eight thousand, three hundred ninety-three".