4004111 has 4 divisors (see below), whose sum is σ = 4010400. Its totient is φ = 3997824.

The previous prime is 4004089. The next prime is 4004137. The reversal of 4004111 is 1114004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4004111 - 2¹⁴ = 3987727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4004092 and 4004101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004141) 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, 2066 + ... + 3503.

It is an arithmetic number, because the mean of its divisors is an integer number (1002600).

Almost surely, 2^4004111 is an apocalyptic number.

4004111 is a deficient number, since it is larger than the sum of its proper divisors (6289).

4004111 is an equidigital number, since it uses as much as digits as its factorization.

4004111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6288.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 4004111 is about 2001.0274860681. The cubic root of 4004111 is about 158.7944682916.

Adding to 4004111 its reverse (1114004), we get a palindrome (5118115).

It can be divided in two parts, 4004 and 111, that multiplied together give a palindrome (444444).

The spelling of 4004111 in words is "four million, four thousand, one hundred eleven".