3556685 has 8 divisors (see below), whose sum is σ = 4656096. Its totient is φ = 2586640.

The previous prime is 3556681. The next prime is 3556687. The reversal of 3556685 is 5866553.

3556685 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 3556685 - 2² = 3556681 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3556681) 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, 32279 + ... + 32388.

It is an arithmetic number, because the mean of its divisors is an integer number (582012).

Almost surely, 2^3556685 is an apocalyptic number.

It is an amenable number.

3556685 is a deficient number, since it is larger than the sum of its proper divisors (1099411).

3556685 is a wasteful number, since it uses less digits than its factorization.

3556685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64683.

The product of its digits is 108000, while the sum is 38.

The square root of 3556685 is about 1885.9175485689. The cubic root of 3556685 is about 152.6447251021.

The spelling of 3556685 in words is "three million, five hundred fifty-six thousand, six hundred eighty-five".