3867147 has 6 divisors (see below), whose sum is σ = 5585892. Its totient is φ = 2578092.

The previous prime is 3867137. The next prime is 3867163. The reversal of 3867147 is 7417683.

It is not a de Polignac number, because 3867147 - 2⁴ = 3867131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3867107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 214833 + ... + 214850.

It is an arithmetic number, because the mean of its divisors is an integer number (930982).

Almost surely, 2^3867147 is an apocalyptic number.

3867147 is a deficient number, since it is larger than the sum of its proper divisors (1718745).

3867147 is a wasteful number, since it uses less digits than its factorization.

3867147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429689 (or 429686 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 3867147 is about 1966.5062928961. The cubic root of 3867147 is about 156.9628565086.

The spelling of 3867147 in words is "three million, eight hundred sixty-seven thousand, one hundred forty-seven".