97840443 has 8 divisors (see below), whose sum is σ = 137320000. Its totient is φ = 61793928.

The previous prime is 97840441. The next prime is 97840447. The reversal of 97840443 is 34404879.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97840443 - 2¹ = 97840441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97840441) 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 7 ways as a sum of consecutive naturals, for example, 858193 + ... + 858306.

It is an arithmetic number, because the mean of its divisors is an integer number (17165000).

Almost surely, 2^97840443 is an apocalyptic number.

97840443 is a deficient number, since it is larger than the sum of its proper divisors (39479557).

97840443 is a wasteful number, since it uses less digits than its factorization.

97840443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716521.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 97840443 is about 9891.4328082437. The cubic root of 97840443 is about 460.7932798936.

The spelling of 97840443 in words is "ninety-seven million, eight hundred forty thousand, four hundred forty-three".