4201844 has 12 divisors (see below), whose sum is σ = 7532868. Its totient is φ = 2049600.

The previous prime is 4201843. The next prime is 4201849. The reversal of 4201844 is 4481024.

It can be written as a sum of positive squares in 2 ways, for example, as 438244 + 3763600 = 662^2 + 1940^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4201843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12647 + ... + 12974.

It is an arithmetic number, because the mean of its divisors is an integer number (627739).

Almost surely, 2^4201844 is an apocalyptic number.

It is an amenable number.

4201844 is a deficient number, since it is larger than the sum of its proper divisors (3331024).

4201844 is a wasteful number, since it uses less digits than its factorization.

4201844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25666 (or 25664 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 4201844 is about 2049.8399937556. The cubic root of 4201844 is about 161.3664735478.

Adding to 4201844 its reverse (4481024), we get a palindrome (8682868).

The spelling of 4201844 in words is "four million, two hundred one thousand, eight hundred forty-four".