3281168 has 40 divisors (see below), whose sum is σ = 7041216. Its totient is φ = 1468800.

The previous prime is 3281149. The next prime is 3281171. The reversal of 3281168 is 8611823.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 3281168.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18038 + ... + 18218.

Almost surely, 2^3281168 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 3281168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3520608).

3281168 is an abundant number, since it is smaller than the sum of its proper divisors (3760048).

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

3281168 is a wasteful number, since it uses less digits than its factorization.

3281168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 297 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 3281168 is about 1811.3994589819. The cubic root of 3281168 is about 148.5968109634.

The spelling of 3281168 in words is "three million, two hundred eighty-one thousand, one hundred sixty-eight".