3867018 has 16 divisors (see below), whose sum is σ = 7943520. Its totient is φ = 1254096.

The previous prime is 3867011. The next prime is 3867047. The reversal of 3867018 is 8107683.

It is a self number, because there is not a number n which added to its sum of digits gives 3867018.

It is not an unprimeable number, because it can be changed into a prime (3867011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8488 + ... + 8931.

It is an arithmetic number, because the mean of its divisors is an integer number (496470).

Almost surely, 2^3867018 is an apocalyptic number.

3867018 is an abundant number, since it is smaller than the sum of its proper divisors (4076502).

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

3867018 is a wasteful number, since it uses less digits than its factorization.

3867018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17461.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 3867018 is about 1966.4734933378. The cubic root of 3867018 is about 156.9611111708.

The spelling of 3867018 in words is "three million, eight hundred sixty-seven thousand, eighteen".