8243968 has 18 divisors (see below), whose sum is σ = 16456244. Its totient is φ = 4121856.

The previous prime is 8243957. The next prime is 8243971. The reversal of 8243968 is 8693428.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8243968.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15846 + ... + 16357.

Almost surely, 2^8243968 is an apocalyptic number.

It is an amenable number.

8243968 is a deficient number, since it is larger than the sum of its proper divisors (8212276).

8243968 is an equidigital number, since it uses as much as digits as its factorization.

8243968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32219 (or 32205 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 8243968 is about 2871.2310948442. The cubic root of 8243968 is about 202.0127430447.

The spelling of 8243968 in words is "eight million, two hundred forty-three thousand, nine hundred sixty-eight".