97398447 has 4 divisors (see below), whose sum is σ = 129864600. Its totient is φ = 64932296.

The previous prime is 97398421. The next prime is 97398449. The reversal of 97398447 is 74489379.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97398447 - 2²⁰ = 96349871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97398447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97398449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16233072 + ... + 16233077.

It is an arithmetic number, because the mean of its divisors is an integer number (32466150).

Almost surely, 2^97398447 is an apocalyptic number.

97398447 is a deficient number, since it is larger than the sum of its proper divisors (32466153).

97398447 is a wasteful number, since it uses less digits than its factorization.

97398447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32466152.

The product of its digits is 1524096, while the sum is 51.

The square root of 97398447 is about 9869.0651532959. The cubic root of 97398447 is about 460.0983516859.

The spelling of 97398447 in words is "ninety-seven million, three hundred ninety-eight thousand, four hundred forty-seven".