3871356 has 12 divisors (see below), whose sum is σ = 9033192. Its totient is φ = 1290448.

The previous prime is 3871339. The next prime is 3871363. The reversal of 3871356 is 6531783.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161295 + ... + 161318.

It is an arithmetic number, because the mean of its divisors is an integer number (752766).

Almost surely, 2^3871356 is an apocalyptic number.

It is an amenable number.

3871356 is an abundant number, since it is smaller than the sum of its proper divisors (5161836).

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

3871356 is a wasteful number, since it uses less digits than its factorization.

3871356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322620 (or 322618 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 3871356 is about 1967.5761738749. The cubic root of 3871356 is about 157.0197819476.

The spelling of 3871356 in words is "three million, eight hundred seventy-one thousand, three hundred fifty-six".