297993 has 8 divisors (see below), whose sum is σ = 420768. Its totient is φ = 186944.

The previous prime is 297991. The next prime is 298013. The reversal of 297993 is 399792.

297993 is nontrivially palindromic in base 8.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 297993 - 2¹ = 297991 is a prime.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2871 + ... + 2972.

It is an arithmetic number, because the mean of its divisors is an integer number (52596).

2²⁹⁷⁹⁹³ is an apocalyptic number.

It is an amenable number.

297993 is a deficient number, since it is larger than the sum of its proper divisors (122775).

297993 is a wasteful number, since it uses less digits than its factorization.

297993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5863.

The product of its digits is 30618, while the sum is 39.

The square root of 297993 is about 545.8873510167. The cubic root of 297993 is about 66.7936773152.

The spelling of 297993 in words is "two hundred ninety-seven thousand, nine hundred ninety-three".