3870165 has 32 divisors (see below), whose sum is σ = 6773760. Its totient is φ = 1875456.

The previous prime is 3870157. The next prime is 3870173. The reversal of 3870165 is 5610783.

It is an interprime number because it is at equal distance from previous prime (3870157) and next prime (3870173).

It is not a de Polignac number, because 3870165 - 2³ = 3870157 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17244 + ... + 17466.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

Almost surely, 2^3870165 is an apocalyptic number.

It is an amenable number.

3870165 is a deficient number, since it is larger than the sum of its proper divisors (2903595).

3870165 is a wasteful number, since it uses less digits than its factorization.

3870165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 3870165 is about 1967.2734939504. The cubic root of 3870165 is about 157.0036782240.

The spelling of 3870165 in words is "three million, eight hundred seventy thousand, one hundred sixty-five".