3706645 has 8 divisors (see below), whose sum is σ = 4482720. Its totient is φ = 2942160.

The previous prime is 3706631. The next prime is 3706649. The reversal of 3706645 is 5466073.

3706645 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 a de Polignac number, because 3706645 - 2⁹ = 3706133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3706649) 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 7 ways as a sum of consecutive naturals, for example, 2175 + ... + 3484.

It is an arithmetic number, because the mean of its divisors is an integer number (560340).

Almost surely, 2^3706645 is an apocalyptic number.

It is an amenable number.

3706645 is a deficient number, since it is larger than the sum of its proper divisors (776075).

3706645 is a wasteful number, since it uses less digits than its factorization.

3706645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5795.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 3706645 is about 1925.2649168361. The cubic root of 3706645 is about 154.7605738140.

The spelling of 3706645 in words is "three million, seven hundred six thousand, six hundred forty-five".