297993968 has 10 divisors (see below), whose sum is σ = 577363344. Its totient is φ = 148996976.

The previous prime is 297993961. The next prime is 297994013. The reversal of 297993968 is 869399792.

It is a self number, because there is not a number n which added to its sum of digits gives 297993968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297993961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9312296 + ... + 9312327.

Almost surely, 2^297993968 is an apocalyptic number.

It is an amenable number.

297993968 is a deficient number, since it is larger than the sum of its proper divisors (279369376).

297993968 is a wasteful number, since it uses less digits than its factorization.

297993968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18624631 (or 18624625 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 62.

The square root of 297993968 is about 17262.5017885589. The cubic root of 297993968 is about 667.9374963929.

It can be divided in two parts, 29 and 7993968, that added together give a palindrome (7993997).

The spelling of 297993968 in words is "two hundred ninety-seven million, nine hundred ninety-three thousand, nine hundred sixty-eight".