3281076816 has 40 divisors (see below), whose sum is σ = 8673239520. Its totient is φ = 1068256896.

The previous prime is 3281076811. The next prime is 3281076839. The reversal of 3281076816 is 6186701823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3281076811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792771 + ... + 796898.

It is an arithmetic number, because the mean of its divisors is an integer number (216830988).

Almost surely, 2^3281076816 is an apocalyptic number.

It is an amenable number.

3281076816 is an abundant number, since it is smaller than the sum of its proper divisors (5392162704).

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

3281076816 is a wasteful number, since it uses less digits than its factorization.

3281076816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589723 (or 1589717 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 3281076816 is about 57280.6844931169. The cubic root of 3281076816 is about 1485.9543444374.

The spelling of 3281076816 in words is "three billion, two hundred eighty-one million, seventy-six thousand, eight hundred sixteen".