4047444 has 18 divisors (see below), whose sum is σ = 10231130. Its totient is φ = 1349136.

The previous prime is 4047431. The next prime is 4047469. The reversal of 4047444 is 4447404.

It is a happy number.

4047444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3755844 + 291600 = 1938^2 + 540^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 56179 + ... + 56250.

Almost surely, 2^4047444 is an apocalyptic number.

It is an amenable number.

4047444 is an abundant number, since it is smaller than the sum of its proper divisors (6183686).

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

4047444 is a wasteful number, since it uses less digits than its factorization.

4047444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112439 (or 112434 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The square root of 4047444 is about 2011.8260362168. The cubic root of 4047444 is about 159.3652455391.

The spelling of 4047444 in words is "four million, forty-seven thousand, four hundred forty-four".