42844899 has 16 divisors (see below), whose sum is σ = 58784000. Its totient is φ = 27742176.

The previous prime is 42844831. The next prime is 42844909. The reversal of 42844899 is 99844824.

42844899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42844899 - 2⁷ = 42844771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42844819) 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 15 ways as a sum of consecutive naturals, for example, 24837 + ... + 26505.

It is an arithmetic number, because the mean of its divisors is an integer number (3674000).

Almost surely, 2^42844899 is an apocalyptic number.

42844899 is a deficient number, since it is larger than the sum of its proper divisors (15939101).

42844899 is a wasteful number, since it uses less digits than its factorization.

42844899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914.

The product of its digits is 663552, while the sum is 48.

The square root of 42844899 is about 6545.6015002443. The cubic root of 42844899 is about 349.9180733414.

The spelling of 42844899 in words is "forty-two million, eight hundred forty-four thousand, eight hundred ninety-nine".