3706945 has 8 divisors (see below), whose sum is σ = 4852800. Its totient is φ = 2695920.

The previous prime is 3706931. The next prime is 3706961. The reversal of 3706945 is 5496073.

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

It is not a de Polignac number, because 3706945 - 2⁷ = 3706817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3706945.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33645 + ... + 33754.

It is an arithmetic number, because the mean of its divisors is an integer number (606600).

Almost surely, 2^3706945 is an apocalyptic number.

It is an amenable number.

3706945 is a deficient number, since it is larger than the sum of its proper divisors (1145855).

3706945 is a wasteful number, since it uses less digits than its factorization.

3706945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67415.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 3706945 is about 1925.3428266156. The cubic root of 3706945 is about 154.7647489212.

The spelling of 3706945 in words is "three million, seven hundred six thousand, nine hundred forty-five".