997298297 has 8 divisors (see below), whose sum is σ = 1017567360. Its totient is φ = 977083120.

The previous prime is 997298293. The next prime is 997298327. The reversal of 997298297 is 792892799.

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 997298297 - 2² = 997298293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (997298293) 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, 25022 + ... + 51192.

It is an arithmetic number, because the mean of its divisors is an integer number (127195920).

Almost surely, 2^997298297 is an apocalyptic number.

It is an amenable number.

997298297 is a deficient number, since it is larger than the sum of its proper divisors (20269063).

997298297 is a wasteful number, since it uses less digits than its factorization.

997298297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26943.

The product of its digits is 10287648, while the sum is 62.

The square root of 997298297 is about 31580.0300348179. The cubic root of 997298297 is about 999.0986200917.

The spelling of 997298297 in words is "nine hundred ninety-seven million, two hundred ninety-eight thousand, two hundred ninety-seven".