3870804 has 72 divisors (see below), whose sum is σ = 10916640. Its totient is φ = 1063104.

The previous prime is 3870803. The next prime is 3870821. The reversal of 3870804 is 4080783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3870803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16939 + ... + 17165.

It is an arithmetic number, because the mean of its divisors is an integer number (151620).

Almost surely, 2^3870804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3870804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5458320).

3870804 is an abundant number, since it is smaller than the sum of its proper divisors (7045836).

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

3870804 is a wasteful number, since it uses less digits than its factorization.

3870804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 3870804 is about 1967.4358947625. The cubic root of 3870804 is about 157.0123186677.

The spelling of 3870804 in words is "three million, eight hundred seventy thousand, eight hundred four".