3867445 has 8 divisors (see below), whose sum is σ = 4700160. Its totient is φ = 3054480.

The previous prime is 3867443. The next prime is 3867481. The reversal of 3867445 is 5447683.

3867445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3867445 - 2¹ = 3867443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3867443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4501 + ... + 5290.

It is an arithmetic number, because the mean of its divisors is an integer number (587520).

Almost surely, 2^3867445 is an apocalyptic number.

It is an amenable number.

3867445 is a deficient number, since it is larger than the sum of its proper divisors (832715).

3867445 is an equidigital number, since it uses as much as digits as its factorization.

3867445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9875.

The product of its digits is 80640, while the sum is 37.

The square root of 3867445 is about 1966.5820603270. The cubic root of 3867445 is about 156.9668882258.

The spelling of 3867445 in words is "three million, eight hundred sixty-seven thousand, four hundred forty-five".