4044340 has 48 divisors (see below), whose sum is σ = 9273600. Its totient is φ = 1475712.

The previous prime is 4044331. The next prime is 4044347. The reversal of 4044340 is 434404.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044347) 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, 10837 + ... + 11203.

It is an arithmetic number, because the mean of its divisors is an integer number (193200).

Almost surely, 2^4044340 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 4044340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4636800).

4044340 is an abundant number, since it is smaller than the sum of its proper divisors (5229260).

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

4044340 is a wasteful number, since it uses less digits than its factorization.

4044340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4044340 is about 2011.0544497850. The cubic root of 4044340 is about 159.3244958519.

Adding to 4044340 its reverse (434404), we get a palindrome (4478744).

The spelling of 4044340 in words is "four million, forty-four thousand, three hundred forty".