304300197 has 6 divisors (see below), whose sum is σ = 439544742. Its totient is φ = 202866792.

The previous prime is 304300193. The next prime is 304300211. The reversal of 304300197 is 791003403.

It can be written as a sum of positive squares in only one way, i.e., 304118721 + 181476 = 17439^2 + 426^2 .

It is not a de Polignac number, because 304300197 - 2² = 304300193 is a prime.

It is a super-3 number, since 3×304300197³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 304300197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304300193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16905558 + ... + 16905575.

It is an arithmetic number, because the mean of its divisors is an integer number (73257457).

Almost surely, 2^304300197 is an apocalyptic number.

It is an amenable number.

304300197 is a deficient number, since it is larger than the sum of its proper divisors (135244545).

304300197 is a wasteful number, since it uses less digits than its factorization.

304300197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33811139 (or 33811136 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 304300197 is about 17444.2023893327. The cubic root of 304300197 is about 672.6163363825.

The spelling of 304300197 in words is "three hundred four million, three hundred thousand, one hundred ninety-seven".