3285688 has 32 divisors (see below), whose sum is σ = 7349760. Its totient is φ = 1346400.

The previous prime is 3285683. The next prime is 3285697. The reversal of 3285688 is 8865823.

It is a self number, because there is not a number n which added to its sum of digits gives 3285688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3285683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13 + ... + 2563.

It is an arithmetic number, because the mean of its divisors is an integer number (229680).

Almost surely, 2^3285688 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 3285688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3674880).

3285688 is an abundant number, since it is smaller than the sum of its proper divisors (4064072).

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

3285688 is a wasteful number, since it uses less digits than its factorization.

3285688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587 (or 2583 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 3285688 is about 1812.6466837197. The cubic root of 3285688 is about 148.6650132424.

The spelling of 3285688 in words is "three million, two hundred eighty-five thousand, six hundred eighty-eight".