297306993 has 12 divisors (see below), whose sum is σ = 414396080. Its totient is φ = 189586056.

The previous prime is 297306991. The next prime is 297307013. The reversal of 297306993 is 399603792.

It is not a de Polignac number, because 297306993 - 2¹ = 297306991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (297306991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92083 + ... + 95256.

Almost surely, 2^297306993 is an apocalyptic number.

297306993 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

297306993 is a deficient number, since it is larger than the sum of its proper divisors (117089087).

297306993 is a wasteful number, since it uses less digits than its factorization.

297306993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187388 (or 187365 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 48.

The square root of 297306993 is about 17242.5924094957. The cubic root of 297306993 is about 667.4238289269.

The spelling of 297306993 in words is "two hundred ninety-seven million, three hundred six thousand, nine hundred ninety-three".