3904806 has 16 divisors (see below), whose sum is σ = 7838064. Its totient is φ = 1296864.

The previous prime is 3904801. The next prime is 3904829. The reversal of 3904806 is 6084093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3904801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876 + ... + 2928.

It is an arithmetic number, because the mean of its divisors is an integer number (489879).

Almost surely, 2^3904806 is an apocalyptic number.

3904806 is an abundant number, since it is smaller than the sum of its proper divisors (3933258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3904806 is a wasteful number, since it uses less digits than its factorization.

3904806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3904806 is about 1976.0581975235. The cubic root of 3904806 is about 157.4707227012.

Adding to 3904806 its reverse (6084093), we get a palindrome (9988899).

The spelling of 3904806 in words is "three million, nine hundred four thousand, eight hundred six".