7989244 has 6 divisors (see below), whose sum is σ = 13981184. Its totient is φ = 3994620.

The previous prime is 7989221. The next prime is 7989251. The reversal of 7989244 is 4429897.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 7989244.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 998652 + ... + 998659.

Almost surely, 2^7989244 is an apocalyptic number.

It is an amenable number.

7989244 is a deficient number, since it is larger than the sum of its proper divisors (5991940).

7989244 is a wasteful number, since it uses less digits than its factorization.

7989244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997315 (or 1997313 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 7989244 is about 2826.5250750701. The cubic root of 7989244 is about 199.9103264660.

The spelling of 7989244 in words is "seven million, nine hundred eighty-nine thousand, two hundred forty-four".