4447042 has 4 divisors (see below), whose sum is σ = 6670566. Its totient is φ = 2223520.

The previous prime is 4447033. The next prime is 4447049. The reversal of 4447042 is 2407444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2461761 + 1985281 = 1569^2 + 1409^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4446998 and 4447016.

It is not an unprimeable number, because it can be changed into a prime (4447049) 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 as a sum of consecutive naturals, namely, 1111759 + ... + 1111762.

Almost surely, 2^4447042 is an apocalyptic number.

4447042 is a deficient number, since it is larger than the sum of its proper divisors (2223524).

4447042 is a wasteful number, since it uses less digits than its factorization.

4447042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223523.

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 4447042 is about 2108.8010811833. The cubic root of 4447042 is about 164.4461626650.

The spelling of 4447042 in words is "four million, four hundred forty-seven thousand, forty-two".