4442146 has 8 divisors (see below), whose sum is σ = 6843420. Its totient is φ = 2161008.

The previous prime is 4442131. The next prime is 4442159. The reversal of 4442146 is 6412444.

It can be written as a sum of positive squares in 2 ways, for example, as 2975625 + 1466521 = 1725^2 + 1211^2 .

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

It is a super-2 number, since 2×4442146² = 39465322170632, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4442146.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29941 + ... + 30088.

Almost surely, 2^4442146 is an apocalyptic number.

4442146 is a deficient number, since it is larger than the sum of its proper divisors (2401274).

4442146 is a wasteful number, since it uses less digits than its factorization.

4442146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60068.

The product of its digits is 3072, while the sum is 25.

The square root of 4442146 is about 2107.6399123190. The cubic root of 4442146 is about 164.3857911444.

The spelling of 4442146 in words is "four million, four hundred forty-two thousand, one hundred forty-six".