3861276 has 24 divisors (see below), whose sum is σ = 9054864. Its totient is φ = 1280640.

The previous prime is 3861269. The next prime is 3861289. The reversal of 3861276 is 6721683.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2106 + ... + 3486.

It is an arithmetic number, because the mean of its divisors is an integer number (377286).

Almost surely, 2^3861276 is an apocalyptic number.

It is an amenable number.

3861276 is an abundant number, since it is smaller than the sum of its proper divisors (5193588).

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

3861276 is a wasteful number, since it uses less digits than its factorization.

3861276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621 (or 1619 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 3861276 is about 1965.0129770564. The cubic root of 3861276 is about 156.8833839956.

The spelling of 3861276 in words is "three million, eight hundred sixty-one thousand, two hundred seventy-six".