8243973 has 12 divisors (see below), whose sum is σ = 11970400. Its totient is φ = 5467176.

The previous prime is 8243971. The next prime is 8244001. The reversal of 8243973 is 3793428.

It is not a de Polignac number, because 8243973 - 2¹ = 8243971 is a prime.

It is a Duffinian number.

8243973 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8243971) 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 11 ways as a sum of consecutive naturals, for example, 511 + ... + 4092.

Almost surely, 2^8243973 is an apocalyptic number.

It is an amenable number.

8243973 is a deficient number, since it is larger than the sum of its proper divisors (3726427).

8243973 is a wasteful number, since it uses less digits than its factorization.

8243973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808 (or 4805 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 8243973 is about 2871.2319655507. The cubic root of 8243973 is about 202.0127838852.

It can be divided in two parts, 8243 and 973, that added together give a square (9216 = 96²).

The spelling of 8243973 in words is "eight million, two hundred forty-three thousand, nine hundred seventy-three".