3280116 has 48 divisors (see below), whose sum is σ = 9265536. Its totient is φ = 881664.

The previous prime is 3280111. The next prime is 3280127. The reversal of 3280116 is 6110823.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3280092 and 3280101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3280111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280 + ... + 2576.

It is an arithmetic number, because the mean of its divisors is an integer number (193032).

Almost surely, 2^3280116 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 3280116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4632768).

3280116 is an abundant number, since it is smaller than the sum of its proper divisors (5985420).

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

3280116 is a wasteful number, since it uses less digits than its factorization.

3280116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328 (or 2326 counting only the distinct ones).

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

The square root of 3280116 is about 1811.1090524869. The cubic root of 3280116 is about 148.5809283514.

Adding to 3280116 its reverse (6110823), we get a palindrome (9390939).

The spelling of 3280116 in words is "three million, two hundred eighty thousand, one hundred sixteen".