3867385 has 8 divisors (see below), whose sum is σ = 4697280. Its totient is φ = 3056304.

The previous prime is 3867371. The next prime is 3867389. The reversal of 3867385 is 5837683.

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

It is a cyclic number.

It is not a de Polignac number, because 3867385 - 2⁷ = 3867257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3867389) 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, 4245 + ... + 5074.

It is an arithmetic number, because the mean of its divisors is an integer number (587160).

Almost surely, 2^3867385 is an apocalyptic number.

It is an amenable number.

3867385 is a deficient number, since it is larger than the sum of its proper divisors (829895).

3867385 is an equidigital number, since it uses as much as digits as its factorization.

3867385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9407.

The product of its digits is 120960, while the sum is 40.

The square root of 3867385 is about 1966.5668053743. The cubic root of 3867385 is about 156.9660764873.

The spelling of 3867385 in words is "three million, eight hundred sixty-seven thousand, three hundred eighty-five".