3287312 has 40 divisors (see below), whose sum is σ = 7440000. Its totient is φ = 1406496.

The previous prime is 3287311. The next prime is 3287327. The reversal of 3287312 is 2137823.

It is not an unprimeable number, because it can be changed into a prime (3287311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5189 + ... + 5787.

It is an arithmetic number, because the mean of its divisors is an integer number (186000).

Almost surely, 2^3287312 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 3287312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3720000).

3287312 is an abundant number, since it is smaller than the sum of its proper divisors (4152688).

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

3287312 is an equidigital number, since it uses as much as digits as its factorization.

3287312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 608 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 3287312 is about 1813.0945921270. The cubic root of 3287312 is about 148.6895025036.

The spelling of 3287312 in words is "three million, two hundred eighty-seven thousand, three hundred twelve".