3611685 has 64 divisors (see below), whose sum is σ = 7464960. Its totient is φ = 1447680.

The previous prime is 3611677. The next prime is 3611711. The reversal of 3611685 is 5861163.

3611685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3611685 - 2³ = 3611677 is a prime.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 61186 + ... + 61244.

It is an arithmetic number, because the mean of its divisors is an integer number (116640).

Almost surely, 2^3611685 is an apocalyptic number.

3611685 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3611685 is an abundant number, since it is smaller than the sum of its proper divisors (3853275).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3611685 is a wasteful number, since it uses less digits than its factorization.

3611685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138.

The product of its digits is 4320, while the sum is 30.

The square root of 3611685 is about 1900.4433693220. The cubic root of 3611685 is about 153.4275282392.

The spelling of 3611685 in words is "three million, six hundred eleven thousand, six hundred eighty-five".