3865746 has 8 divisors (see below), whose sum is σ = 7731504. Its totient is φ = 1288580.

The previous prime is 3865733. The next prime is 3865747. The reversal of 3865746 is 6475683.

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

3865746 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3865747) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 322140 + ... + 322151.

It is an arithmetic number, because the mean of its divisors is an integer number (966438).

Almost surely, 2^3865746 is an apocalyptic number.

3865746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3865746 is a wasteful number, since it uses less digits than its factorization.

3865746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644296.

The product of its digits is 120960, while the sum is 39.

The square root of 3865746 is about 1966.1500451390. The cubic root of 3865746 is about 156.9438992495.

The spelling of 3865746 in words is "three million, eight hundred sixty-five thousand, seven hundred forty-six".