3871804 has 6 divisors (see below), whose sum is σ = 6775664. Its totient is φ = 1935900.

The previous prime is 3871787. The next prime is 3871811. The reversal of 3871804 is 4081783.

It is a happy number.

3871804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483972 + ... + 483979.

Almost surely, 2^3871804 is an apocalyptic number.

It is an amenable number.

3871804 is a deficient number, since it is larger than the sum of its proper divisors (2903860).

3871804 is a wasteful number, since it uses less digits than its factorization.

3871804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967955 (or 967953 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 3871804 is about 1967.6900162373. The cubic root of 3871804 is about 157.0258385807.

The spelling of 3871804 in words is "three million, eight hundred seventy-one thousand, eight hundred four".