4004941 has 4 divisors (see below), whose sum is σ = 4009852. Its totient is φ = 4000032.

The previous prime is 4004939. The next prime is 4004951. The reversal of 4004941 is 1494004.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2673225 + 1331716 = 1635^2 + 1154^2 .

It is a cyclic number.

It is not a de Polignac number, because 4004941 - 2¹ = 4004939 is a prime.

It is a Duffinian number.

4004941 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004951) 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, 906 + ... + 2971.

It is an arithmetic number, because the mean of its divisors is an integer number (1002463).

Almost surely, 2^4004941 is an apocalyptic number.

It is an amenable number.

4004941 is a deficient number, since it is larger than the sum of its proper divisors (4911).

4004941 is a wasteful number, since it uses less digits than its factorization.

4004941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4910.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4004941 is about 2001.2348687748. The cubic root of 4004941 is about 158.8054395411.

Adding to 4004941 its reverse (1494004), we get a palindrome (5498945).

The spelling of 4004941 in words is "four million, four thousand, nine hundred forty-one".