4034220 has 48 divisors (see below), whose sum is σ = 11467008. Its totient is φ = 1059520.

The previous prime is 4034209. The next prime is 4034249. The reversal of 4034220 is 224304.

It is a happy number.

4034220 is a nontrivial binomial coefficient, being equal to C(2841, 2).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 4034220.

It is an unprimeable number.

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, 3787 + ... + 4733.

It is an arithmetic number, because the mean of its divisors is an integer number (238896).

Almost surely, 2^4034220 is an apocalyptic number.

4034220 is the 2840-th triangular number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4034220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5733504).

4034220 is an abundant number, since it is smaller than the sum of its proper divisors (7432788).

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

4034220 is a wasteful number, since it uses less digits than its factorization.

4034220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 4034220 is about 2008.5367808432. The cubic root of 4034220 is about 159.1914942890.

Adding to 4034220 its reverse (224304), we get a palindrome (4258524).

The spelling of 4034220 in words is "four million, thirty-four thousand, two hundred twenty".