4443442 has 4 divisors (see below), whose sum is σ = 6665166. Its totient is φ = 2221720.

The previous prime is 4443433. The next prime is 4443463. The reversal of 4443442 is 2443444.

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., 4414201 + 29241 = 2101^2 + 171^2 .

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 as a sum of consecutive naturals, namely, 1110859 + ... + 1110862.

Almost surely, 2^4443442 is an apocalyptic number.

4443442 is a deficient number, since it is larger than the sum of its proper divisors (2221724).

4443442 is a wasteful number, since it uses less digits than its factorization.

4443442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221723.

The product of its digits is 6144, while the sum is 25.

The square root of 4443442 is about 2107.9473427958. The cubic root of 4443442 is about 164.4017761563.

Adding to 4443442 its reverse (2443444), we get a palindrome (6886886).

The spelling of 4443442 in words is "four million, four hundred forty-three thousand, four hundred forty-two".