97848643 has 4 divisors (see below), whose sum is σ = 97869808. Its totient is φ = 97827480.

The previous prime is 97848631. The next prime is 97848649. The reversal of 97848643 is 34684879.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34684879 = 17 ⋅2040287.

It is a cyclic number.

It is not a de Polignac number, because 97848643 - 2⁹ = 97848131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97848649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348 + ... + 13993.

It is an arithmetic number, because the mean of its divisors is an integer number (24467452).

Almost surely, 2^97848643 is an apocalyptic number.

97848643 is a deficient number, since it is larger than the sum of its proper divisors (21165).

97848643 is a wasteful number, since it uses less digits than its factorization.

97848643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21164.

The product of its digits is 1161216, while the sum is 49.

The square root of 97848643 is about 9891.8472996706. The cubic root of 97848643 is about 460.8061525505.

The spelling of 97848643 in words is "ninety-seven million, eight hundred forty-eight thousand, six hundred forty-three".