3865486 has 8 divisors (see below), whose sum is σ = 5806944. Its totient is φ = 1929840.

The previous prime is 3865481. The next prime is 3865513. The reversal of 3865486 is 6845683.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131 + ... + 3001.

It is an arithmetic number, because the mean of its divisors is an integer number (725868).

Almost surely, 2^3865486 is an apocalyptic number.

3865486 is a deficient number, since it is larger than the sum of its proper divisors (1941458).

3865486 is a wasteful number, since it uses less digits than its factorization.

3865486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906.

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

The square root of 3865486 is about 1966.0839249635. The cubic root of 3865486 is about 156.9403806247.

The spelling of 3865486 in words is "three million, eight hundred sixty-five thousand, four hundred eighty-six".