298993109 has 8 divisors (see below), whose sum is σ = 308920320. Its totient is φ = 289083600.

The previous prime is 298993073. The next prime is 298993111. The reversal of 298993109 is 901399892.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-298993109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298993129) 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, 35879 + ... + 43419.

It is an arithmetic number, because the mean of its divisors is an integer number (38615040).

Almost surely, 2^298993109 is an apocalyptic number.

It is an amenable number.

298993109 is a deficient number, since it is larger than the sum of its proper divisors (9927211).

298993109 is a wasteful number, since it uses less digits than its factorization.

298993109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8851.

The product of its (nonzero) digits is 314928, while the sum is 50.

The square root of 298993109 is about 17291.4172062327. The cubic root of 298993109 is about 668.6831706124.

The spelling of 298993109 in words is "two hundred ninety-eight million, nine hundred ninety-three thousand, one hundred nine".