3281016 has 16 divisors (see below), whose sum is σ = 8202600. Its totient is φ = 1093664.

The previous prime is 3281011. The next prime is 3281021. The reversal of 3281016 is 6101823.

It is an interprime number because it is at equal distance from previous prime (3281011) and next prime (3281021).

It is a junction number, because it is equal to n+sod(n) for n = 3280983 and 3281001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3281011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68331 + ... + 68378.

Almost surely, 2^3281016 is an apocalyptic number.

It is an amenable number.

3281016 is an abundant number, since it is smaller than the sum of its proper divisors (4921584).

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

3281016 is a wasteful number, since it uses less digits than its factorization.

3281016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136718 (or 136714 counting only the distinct ones).

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

The square root of 3281016 is about 1811.3575019857. The cubic root of 3281016 is about 148.5945163472.

Adding to 3281016 its reverse (6101823), we get a palindrome (9382839).

The spelling of 3281016 in words is "three million, two hundred eighty-one thousand, sixteen".