7243844 has 12 divisors (see below), whose sum is σ = 12715500. Its totient is φ = 3610848.

The previous prime is 7243837. The next prime is 7243849. The reversal of 7243844 is 4483427.

It can be written as a sum of positive squares in 2 ways, for example, as 5522500 + 1721344 = 2350^2 + 1312^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7243844.

It is not an unprimeable number, because it can be changed into a prime (7243849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1199 + ... + 3990.

It is an arithmetic number, because the mean of its divisors is an integer number (1059625).

Almost surely, 2^7243844 is an apocalyptic number.

It is an amenable number.

7243844 is a deficient number, since it is larger than the sum of its proper divisors (5471656).

7243844 is a wasteful number, since it uses less digits than its factorization.

7243844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5542 (or 5540 counting only the distinct ones).

The product of its digits is 21504, while the sum is 32.

The square root of 7243844 is about 2691.4390203012. The cubic root of 7243844 is about 193.4890369412.

The spelling of 7243844 in words is "seven million, two hundred forty-three thousand, eight hundred forty-four".