3259891648 has 28 divisors (see below), whose sum is σ = 6966452920. Its totient is φ = 1504564992.

The previous prime is 3259891601. The next prime is 3259891681. The reversal of 3259891648 is 8461989523.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1958238 + ... + 1959901.

It is an arithmetic number, because the mean of its divisors is an integer number (248801890).

Almost surely, 2^3259891648 is an apocalyptic number.

It is an amenable number.

3259891648 is an abundant number, since it is smaller than the sum of its proper divisors (3706561272).

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

3259891648 is a wasteful number, since it uses less digits than its factorization.

3259891648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918164 (or 3918154 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 55.

The square root of 3259891648 is about 57095.4608353414. The cubic root of 3259891648 is about 1482.7492797822.

The spelling of 3259891648 in words is "three billion, two hundred fifty-nine million, eight hundred ninety-one thousand, six hundred forty-eight".