3271818 has 32 divisors (see below), whose sum is σ = 7231680. Its totient is φ = 978560.

The previous prime is 3271817. The next prime is 3271823. The reversal of 3271818 is 8181723.

It is a happy number.

3271818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3271813) by changing a digit.

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, 5596 + ... + 6152.

It is an arithmetic number, because the mean of its divisors is an integer number (225990).

Almost surely, 2^3271818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3271818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3615840).

3271818 is an abundant number, since it is smaller than the sum of its proper divisors (3959862).

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

3271818 is a wasteful number, since it uses less digits than its factorization.

3271818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662.

The product of its digits is 2688, while the sum is 30.

The square root of 3271818 is about 1808.8167403029. The cubic root of 3271818 is about 148.4555297693.

It can be divided in two parts, 327 and 1818, that added together give a triangular number (2145 = T₆₅).

The spelling of 3271818 in words is "three million, two hundred seventy-one thousand, eight hundred eighteen".