4442738 has 8 divisors (see below), whose sum is σ = 6844332. Its totient is φ = 2161296.

The previous prime is 4442689. The next prime is 4442743. The reversal of 4442738 is 8372444.

It can be written as a sum of positive squares in 2 ways, for example, as 3775249 + 667489 = 1943^2 + 817^2 .

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

It is a d-powerful number, because it can be written as 4³ + 4⁸ + 4¹¹ + 2¹⁷ + 7⁵ + 3⁷ + 8⁵ .

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 3 ways as a sum of consecutive naturals, for example, 29945 + ... + 30092.

Almost surely, 2^4442738 is an apocalyptic number.

4442738 is a deficient number, since it is larger than the sum of its proper divisors (2401594).

4442738 is a wasteful number, since it uses less digits than its factorization.

4442738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60076.

The product of its digits is 21504, while the sum is 32.

The square root of 4442738 is about 2107.7803490876. The cubic root of 4442738 is about 164.3930933256.

The spelling of 4442738 in words is "four million, four hundred forty-two thousand, seven hundred thirty-eight".