298988393 has 4 divisors (see below), whose sum is σ = 326169168. Its totient is φ = 271807620.

The previous prime is 298988369. The next prime is 298988411. The reversal of 298988393 is 393889892.

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 298988393 - 2⁶ = 298988329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298988093) 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, 13590371 + ... + 13590392.

It is an arithmetic number, because the mean of its divisors is an integer number (81542292).

Almost surely, 2^298988393 is an apocalyptic number.

It is an amenable number.

298988393 is a deficient number, since it is larger than the sum of its proper divisors (27180775).

298988393 is a wasteful number, since it uses less digits than its factorization.

298988393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27180774.

The product of its digits is 6718464, while the sum is 59.

The square root of 298988393 is about 17291.2808374626. The cubic root of 298988393 is about 668.6796548944.

The spelling of 298988393 in words is "two hundred ninety-eight million, nine hundred eighty-eight thousand, three hundred ninety-three".