297992 has 12 divisors (see below), whose sum is σ = 561645. Its totient is φ = 148224.

The previous prime is 297991. The next prime is 298013. The reversal of 297992 is 299792.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

297992 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in 2 ways, for example, as 276676 + 21316 = 526^2 + 146^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=386.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 297992.

It is not an unprimeable number, because it can be changed into a prime (297991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1448 + ... + 1640.

2²⁹⁷⁹⁹² is an apocalyptic number.

It is an amenable number.

297992 is a deficient number, since it is larger than the sum of its proper divisors (263653).

297992 is an equidigital number, since it uses as much as digits as its factorization.

297992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 195 counting only the distinct ones).

The product of its digits is 20412, while the sum is 38.

The square root of 297992 is about 545.8864350760. The cubic root of 297992 is about 66.7936026001.

The spelling of 297992 in words is "two hundred ninety-seven thousand, nine hundred ninety-two".