3864366 has 48 divisors (see below), whose sum is σ = 9462960. Its totient is φ = 1128960.

The previous prime is 3864349. The next prime is 3864403. The reversal of 3864366 is 6634683.

3864366 is a `hidden beast` number, since 3 + 8 + 643 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3864366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5406 + ... + 6078.

It is an arithmetic number, because the mean of its divisors is an integer number (197145).

Almost surely, 2^3864366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3864366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4731480).

3864366 is an abundant number, since it is smaller than the sum of its proper divisors (5598594).

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

3864366 is a wasteful number, since it uses less digits than its factorization.

3864366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721 (or 718 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 3864366 is about 1965.7990741681. The cubic root of 3864366 is about 156.9252216680.

The spelling of 3864366 in words is "three million, eight hundred sixty-four thousand, three hundred sixty-six".