97632397 has 4 divisors (see below), whose sum is σ = 97652160. Its totient is φ = 97612636.

The previous prime is 97632383. The next prime is 97632449. The reversal of 97632397 is 79323679.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97632397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97630397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4878 + ... + 14800.

It is an arithmetic number, because the mean of its divisors is an integer number (24413040).

Almost surely, 2^97632397 is an apocalyptic number.

It is an amenable number.

97632397 is a deficient number, since it is larger than the sum of its proper divisors (19763).

97632397 is an equidigital number, since it uses as much as digits as its factorization.

97632397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19762.

The product of its digits is 428652, while the sum is 46.

The square root of 97632397 is about 9880.9107373764. The cubic root of 97632397 is about 460.4664408569.

The spelling of 97632397 in words is "ninety-seven million, six hundred thirty-two thousand, three hundred ninety-seven".