297947 has 12 divisors (see below), whose sum is σ = 338184. Its totient is φ = 262080.

The previous prime is 297931. The next prime is 297953. The reversal of 297947 is 749792.

It is a happy number.

It is not a de Polignac number, because 297947 - 2⁴ = 297931 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 297947.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 297947.

It is not an unprimeable number, because it can be changed into a prime (297907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6908 + ... + 6950.

It is an arithmetic number, because the mean of its divisors is an integer number (28182).

2²⁹⁷⁹⁴⁷ is an apocalyptic number.

297947 is a deficient number, since it is larger than the sum of its proper divisors (40237).

297947 is a wasteful number, since it uses less digits than its factorization.

297947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 97 counting only the distinct ones).

The product of its digits is 31752, while the sum is 38.

The square root of 297947 is about 545.8452161556. The cubic root of 297947 is about 66.7902402465.

The spelling of 297947 in words is "two hundred ninety-seven thousand, nine hundred forty-seven".