4004541 has 12 divisors (see below), whose sum is σ = 5908032. Its totient is φ = 2612616.

The previous prime is 4004527. The next prime is 4004579. The reversal of 4004541 is 1454004.

It is not a de Polignac number, because 4004541 - 2⁵ = 4004509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4311 + ... + 5156.

It is an arithmetic number, because the mean of its divisors is an integer number (492336).

Almost surely, 2^4004541 is an apocalyptic number.

It is an amenable number.

4004541 is a deficient number, since it is larger than the sum of its proper divisors (1903491).

4004541 is a wasteful number, since it uses less digits than its factorization.

4004541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9520 (or 9517 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4004541 is about 2001.1349279846. The cubic root of 4004541 is about 158.8001523812.

Adding to 4004541 its reverse (1454004), we get a palindrome (5458545).

The spelling of 4004541 in words is "four million, four thousand, five hundred forty-one".