3865395 has 16 divisors (see below), whose sum is σ = 6209280. Its totient is φ = 2053344.

The previous prime is 3865363. The next prime is 3865429. The reversal of 3865395 is 5935683.

It is not a de Polignac number, because 3865395 - 2⁵ = 3865363 is a prime.

3865395 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6292 + ... + 6878.

It is an arithmetic number, because the mean of its divisors is an integer number (388080).

Almost surely, 2^3865395 is an apocalyptic number.

3865395 is a deficient number, since it is larger than the sum of its proper divisors (2343885).

3865395 is a wasteful number, since it uses less digits than its factorization.

3865395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034.

The product of its digits is 97200, while the sum is 39.

The square root of 3865395 is about 1966.0607823768. The cubic root of 3865395 is about 156.9391490688.

The spelling of 3865395 in words is "three million, eight hundred sixty-five thousand, three hundred ninety-five".