3685766 has 8 divisors (see below), whose sum is σ = 6318480. Its totient is φ = 1579608.

The previous prime is 3685763. The next prime is 3685783. The reversal of 3685766 is 6675863.

3685766 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685763) 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, 131621 + ... + 131648.

It is an arithmetic number, because the mean of its divisors is an integer number (789810).

Almost surely, 2^3685766 is an apocalyptic number.

3685766 is a deficient number, since it is larger than the sum of its proper divisors (2632714).

3685766 is a wasteful number, since it uses less digits than its factorization.

3685766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263278.

The product of its digits is 181440, while the sum is 41.

The square root of 3685766 is about 1919.8348887339. The cubic root of 3685766 is about 154.4694451225.

The spelling of 3685766 in words is "three million, six hundred eighty-five thousand, seven hundred sixty-six".