3867285 has 16 divisors (see below), whose sum is σ = 6215040. Its totient is φ = 2053440.

The previous prime is 3867271. The next prime is 3867323. The reversal of 3867285 is 5827683.

It is not a de Polignac number, because 3867285 - 2⁶ = 3867221 is a prime.

3867285 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4251 + ... + 5079.

It is an arithmetic number, because the mean of its divisors is an integer number (388440).

Almost surely, 2^3867285 is an apocalyptic number.

It is an amenable number.

3867285 is a deficient number, since it is larger than the sum of its proper divisors (2347755).

3867285 is a wasteful number, since it uses less digits than its factorization.

3867285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148.

The product of its digits is 80640, while the sum is 39.

The square root of 3867285 is about 1966.5413801901. The cubic root of 3867285 is about 156.9647235712.

The spelling of 3867285 in words is "three million, eight hundred sixty-seven thousand, two hundred eighty-five".