42844246 has 8 divisors (see below), whose sum is σ = 65479104. Its totient is φ = 21017880.

The previous prime is 42844237. The next prime is 42844247. The reversal of 42844246 is 64244824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42844247) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 201990 + ... + 202201.

It is an arithmetic number, because the mean of its divisors is an integer number (8184888).

Almost surely, 2^42844246 is an apocalyptic number.

42844246 is a deficient number, since it is larger than the sum of its proper divisors (22634858).

42844246 is a wasteful number, since it uses less digits than its factorization.

42844246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404246.

The product of its digits is 49152, while the sum is 34.

The square root of 42844246 is about 6545.5516192297. The cubic root of 42844246 is about 349.9162956295.

The spelling of 42844246 in words is "forty-two million, eight hundred forty-four thousand, two hundred forty-six".