3286240 has 96 divisors (see below), whose sum is σ = 8709120. Its totient is φ = 1165824.

The previous prime is 3286207. The next prime is 3286247. The reversal of 3286240 is 426823.

It is a happy number.

3286240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3286247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69897 + ... + 69943.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

Almost surely, 2^3286240 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 3286240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4354560).

3286240 is an abundant number, since it is smaller than the sum of its proper divisors (5422880).

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

3286240 is a wasteful number, since it uses less digits than its factorization.

3286240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 3286240 is about 1812.7989408647. The cubic root of 3286240 is about 148.6733380835.

The spelling of 3286240 in words is "three million, two hundred eighty-six thousand, two hundred forty".