4143444 has 48 divisors (see below), whose sum is σ = 10785600. Its totient is φ = 1230336.

The previous prime is 4143421. The next prime is 4143449. The reversal of 4143444 is 4443414.

4143444 = T₁₅₂ + T₁₅₃ + ... + T₃₀₄.

It is a super-2 number, since 2×4143444² = 34336256362272, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4143449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3342 + ... + 4410.

It is an arithmetic number, because the mean of its divisors is an integer number (224700).

Almost surely, 2^4143444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4143444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5392800).

4143444 is an abundant number, since it is smaller than the sum of its proper divisors (6642156).

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

4143444 is a wasteful number, since it uses less digits than its factorization.

4143444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1110 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 4143444 is about 2035.5451358297. The cubic root of 4143444 is about 160.6153904732.

Adding to 4143444 its reverse (4443414), we get a palindrome (8586858).

The spelling of 4143444 in words is "four million, one hundred forty-three thousand, four hundred forty-four".