3806642 has 8 divisors (see below), whose sum is σ = 6525696. Its totient is φ = 1631412.

The previous prime is 3806641. The next prime is 3806653. The reversal of 3806642 is 2466083.

3806642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (3806641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135938 + ... + 135965.

It is an arithmetic number, because the mean of its divisors is an integer number (815712).

Almost surely, 2^3806642 is an apocalyptic number.

3806642 is a deficient number, since it is larger than the sum of its proper divisors (2719054).

3806642 is a wasteful number, since it uses less digits than its factorization.

3806642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271912.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 3806642 is about 1951.0617622208. The cubic root of 3806642 is about 156.1399412688.

The spelling of 3806642 in words is "three million, eight hundred six thousand, six hundred forty-two".