3685608 has 64 divisors (see below), whose sum is σ = 10396800. Its totient is φ = 1209600.

The previous prime is 3685597. The next prime is 3685631. The reversal of 3685608 is 8065863.

3685608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 24333 + ... + 24483.

It is an arithmetic number, because the mean of its divisors is an integer number (162450).

Almost surely, 2^3685608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3685608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5198400).

3685608 is an abundant number, since it is smaller than the sum of its proper divisors (6711192).

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

3685608 is a wasteful number, since it uses less digits than its factorization.

3685608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 3685608 is about 1919.7937389209. The cubic root of 3685608 is about 154.4672378453.

3685608 divided by its sum of digits (36) gives a triangular number (102378 = T₄₅₂).

The spelling of 3685608 in words is "three million, six hundred eighty-five thousand, six hundred eight".