3866485 has 16 divisors (see below), whose sum is σ = 5392512. Its totient is φ = 2606400.

The previous prime is 3866479. The next prime is 3866543. The reversal of 3866485 is 5846683.

It is not a de Polignac number, because 3866485 - 2⁵ = 3866453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230 + ... + 3040.

It is an arithmetic number, because the mean of its divisors is an integer number (337032).

Almost surely, 2^3866485 is an apocalyptic number.

3866485 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3866485 is a deficient number, since it is larger than the sum of its proper divisors (1526027).

3866485 is a wasteful number, since it uses less digits than its factorization.

3866485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884.

The product of its digits is 138240, while the sum is 40.

The square root of 3866485 is about 1966.3379668816. The cubic root of 3866485 is about 156.9538994022.

The spelling of 3866485 in words is "three million, eight hundred sixty-six thousand, four hundred eighty-five".