298319993 has 8 divisors (see below), whose sum is σ = 300884640. Its totient is φ = 295761600.

The previous prime is 298319981. The next prime is 298319999. The reversal of 298319993 is 399913892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 298319993 - 2⁶ = 298319929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298319999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166046 + ... + 167832.

It is an arithmetic number, because the mean of its divisors is an integer number (37610580).

Almost surely, 2^298319993 is an apocalyptic number.

It is an amenable number.

298319993 is a deficient number, since it is larger than the sum of its proper divisors (2564647).

298319993 is a wasteful number, since it uses less digits than its factorization.

298319993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127.

The product of its digits is 944784, while the sum is 53.

The square root of 298319993 is about 17271.9423632665. The cubic root of 298319993 is about 668.1809967963.

The spelling of 298319993 in words is "two hundred ninety-eight million, three hundred nineteen thousand, nine hundred ninety-three".