298740197 has 4 divisors (see below), whose sum is σ = 341417376. Its totient is φ = 256063020.

The previous prime is 298740191. The next prime is 298740229. The reversal of 298740197 is 791047892.

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 298740197 - 2¹⁰ = 298739173 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 (298740191) 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, 21338579 + ... + 21338592.

It is an arithmetic number, because the mean of its divisors is an integer number (85354344).

Almost surely, 2^298740197 is an apocalyptic number.

It is an amenable number.

298740197 is a deficient number, since it is larger than the sum of its proper divisors (42677179).

298740197 is an equidigital number, since it uses as much as digits as its factorization.

298740197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42677178.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 298740197 is about 17284.1024354752. The cubic root of 298740197 is about 668.4945757365.

The spelling of 298740197 in words is "two hundred ninety-eight million, seven hundred forty thousand, one hundred ninety-seven".