3261360 has 80 divisors (see below), whose sum is σ = 10285056. Its totient is φ = 854784.

The previous prime is 3261353. The next prime is 3261371. The reversal of 3261360 is 631623.

3261360 = 93² + 94² + ... + 219².

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 25617 + ... + 25743.

Almost surely, 2^3261360 is an apocalyptic number.

3261360 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 3261360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5142528).

3261360 is an abundant number, since it is smaller than the sum of its proper divisors (7023696).

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

3261360 is a wasteful number, since it uses less digits than its factorization.

3261360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 3261360 is about 1805.9235864233. The cubic root of 3261360 is about 148.2971871133.

Adding to 3261360 its reverse (631623), we get a palindrome (3892983).

The spelling of 3261360 in words is "three million, two hundred sixty-one thousand, three hundred sixty".