3259961860 has 144 divisors (see below), whose sum is σ = 7607174400. Its totient is φ = 1169925120.

The previous prime is 3259961851. The next prime is 3259961893. The reversal of 3259961860 is 681699523.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 28849164 + ... + 28849276.

It is an arithmetic number, because the mean of its divisors is an integer number (52827600).

Almost surely, 2^3259961860 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 3259961860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3803587200).

3259961860 is an abundant number, since it is smaller than the sum of its proper divisors (4347212540).

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

3259961860 is a wasteful number, since it uses less digits than its factorization.

3259961860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 3259961860 is about 57096.0756970214. The cubic root of 3259961860 is about 1482.7599249259.

The spelling of 3259961860 in words is "three billion, two hundred fifty-nine million, nine hundred sixty-one thousand, eight hundred sixty".