97297398 has 36 divisors (see below), whose sum is σ = 230304204. Its totient is φ = 29442000.

The previous prime is 97297397. The next prime is 97297399. The reversal of 97297398 is 89379279.

It is an interprime number because it is at equal distance from previous prime (97297397) and next prime (97297399).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97297391) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 138448 + ... + 139148.

It is an arithmetic number, because the mean of its divisors is an integer number (6397339).

Almost surely, 2^97297398 is an apocalyptic number.

97297398 is an abundant number, since it is smaller than the sum of its proper divisors (133006806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97297398 is a wasteful number, since it uses less digits than its factorization.

97297398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421 (or 717 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The square root of 97297398 is about 9863.9443429087. The cubic root of 97297398 is about 459.9391822556.

The spelling of 97297398 in words is "ninety-seven million, two hundred ninety-seven thousand, three hundred ninety-eight".