4004894 has 16 divisors (see below), whose sum is σ = 6468336. Its totient is φ = 1852800.

The previous prime is 4004887. The next prime is 4004909. The reversal of 4004894 is 4984004.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109 + ... + 3039.

It is an arithmetic number, because the mean of its divisors is an integer number (404271).

Almost surely, 2^4004894 is an apocalyptic number.

4004894 is a deficient number, since it is larger than the sum of its proper divisors (2463442).

4004894 is a wasteful number, since it uses less digits than its factorization.

4004894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 4004894 is about 2001.2231259907. The cubic root of 4004894 is about 158.8048183181.

Adding to 4004894 its reverse (4984004), we get a palindrome (8988898).

The spelling of 4004894 in words is "four million, four thousand, eight hundred ninety-four".