3281160 has 64 divisors (see below), whose sum is σ = 10123200. Its totient is φ = 850176.

The previous prime is 3281149. The next prime is 3281171. The reversal of 3281160 is 611823.

3281160 = 30² + 31² + ... + 214².

It is an interprime number because it is at equal distance from previous prime (3281149) and next prime (3281171).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4071 + ... + 4809.

It is an arithmetic number, because the mean of its divisors is an integer number (158175).

Almost surely, 2^3281160 is an apocalyptic number.

3281160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3281160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5061600).

3281160 is an abundant number, since it is smaller than the sum of its proper divisors (6842040).

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

3281160 is a wasteful number, since it uses less digits than its factorization.

3281160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 3281160 is about 1811.3972507432. The cubic root of 3281160 is about 148.5966901959.

Adding to 3281160 its reverse (611823), we get a palindrome (3892983).

The spelling of 3281160 in words is "three million, two hundred eighty-one thousand, one hundred sixty".