8442544 has 20 divisors (see below), whose sum is σ = 17844840. Its totient is φ = 3837440.

The previous prime is 8442521. The next prime is 8442559. The reversal of 8442544 is 4452448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23809 + ... + 24160.

It is an arithmetic number, because the mean of its divisors is an integer number (892242).

Almost surely, 2^8442544 is an apocalyptic number.

It is an amenable number.

8442544 is an abundant number, since it is smaller than the sum of its proper divisors (9402296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8442544 is a wasteful number, since it uses less digits than its factorization.

8442544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47988 (or 47982 counting only the distinct ones).

The product of its digits is 20480, while the sum is 31.

The square root of 8442544 is about 2905.6056167347. The cubic root of 8442544 is about 203.6218806374.

The spelling of 8442544 in words is "eight million, four hundred forty-two thousand, five hundred forty-four".