3875646 has 8 divisors (see below), whose sum is σ = 7751304. Its totient is φ = 1291880.

The previous prime is 3875629. The next prime is 3875653. The reversal of 3875646 is 6465783.

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

3875646 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 322965 + ... + 322976.

It is an arithmetic number, because the mean of its divisors is an integer number (968913).

Almost surely, 2^3875646 is an apocalyptic number.

3875646 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.

3875646 is a wasteful number, since it uses less digits than its factorization.

3875646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645946.

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

The square root of 3875646 is about 1968.6660458290. Note that the first 3 decimals coincide. The cubic root of 3875646 is about 157.0777604438.

The spelling of 3875646 in words is "three million, eight hundred seventy-five thousand, six hundred forty-six".