3786904 has 32 divisors (see below), whose sum is σ = 8087040. Its totient is φ = 1645600.

The previous prime is 3786899. The next prime is 3786919. The reversal of 3786904 is 4096873.

Together with 4300136 it forms an amicable pair .

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, 1089 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (252720).

Almost surely, 2^3786904 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 3786904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4043520).

3786904 is an abundant number, since it is smaller than the sum of its proper divisors (4300136).

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

3786904 is a wasteful number, since it uses less digits than its factorization.

3786904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911 (or 1907 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3786904 is about 1945.9969167499. The cubic root of 3786904 is about 155.8696039441.

The spelling of 3786904 in words is "three million, seven hundred eighty-six thousand, nine hundred four".