297930195 has 24 divisors (see below), whose sum is σ = 534222000. Its totient is φ = 153416256.

The previous prime is 297930169. The next prime is 297930197. The reversal of 297930195 is 591039792.

It is a happy number.

It is not a de Polignac number, because 297930195 - 2⁹ = 297929683 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 297930195.

It is not an unprimeable number, because it can be changed into a prime (297930197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112845 + ... + 115454.

It is an arithmetic number, because the mean of its divisors is an integer number (22259250).

Almost surely, 2^297930195 is an apocalyptic number.

297930195 is a deficient number, since it is larger than the sum of its proper divisors (236291805).

297930195 is a wasteful number, since it uses less digits than its factorization.

297930195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228339 (or 228336 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 297930195 is about 17260.6545356774. The cubic root of 297930195 is about 667.8898450738.

The spelling of 297930195 in words is "two hundred ninety-seven million, nine hundred thirty thousand, one hundred ninety-five".