3861366 has 16 divisors (see below), whose sum is σ = 7755264. Its totient is φ = 1281704.

The previous prime is 3861349. The next prime is 3861383. The reversal of 3861366 is 6631683.

It is an interprime number because it is at equal distance from previous prime (3861349) and next prime (3861383).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 355 + ... + 2801.

It is an arithmetic number, because the mean of its divisors is an integer number (484704).

Almost surely, 2^3861366 is an apocalyptic number.

3861366 is an abundant number, since it is smaller than the sum of its proper divisors (3893898).

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

3861366 is a wasteful number, since it uses less digits than its factorization.

3861366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715.

The product of its digits is 15552, while the sum is 33.

The square root of 3861366 is about 1965.0358775351. The cubic root of 3861366 is about 156.8846028841.

The spelling of 3861366 in words is "three million, eight hundred sixty-one thousand, three hundred sixty-six".