3864165 has 8 divisors (see below), whose sum is σ = 6182688. Its totient is φ = 2060880.

The previous prime is 3864139. The next prime is 3864187. The reversal of 3864165 is 5614683.

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

It is not a de Polignac number, because 3864165 - 2⁶ = 3864101 is a prime.

It is a super-2 number, since 2×3864165² = 29863542294450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128791 + ... + 128820.

It is an arithmetic number, because the mean of its divisors is an integer number (772836).

Almost surely, 2^3864165 is an apocalyptic number.

It is an amenable number.

3864165 is a deficient number, since it is larger than the sum of its proper divisors (2318523).

3864165 is a wasteful number, since it uses less digits than its factorization.

3864165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257619.

The product of its digits is 17280, while the sum is 33.

The square root of 3864165 is about 1965.7479492549. The cubic root of 3864165 is about 156.9225008666.

The spelling of 3864165 in words is "three million, eight hundred sixty-four thousand, one hundred sixty-five".