3261655884 has 12 divisors (see below), whose sum is σ = 7610530424. Its totient is φ = 1087218624.

The previous prime is 3261655879. The next prime is 3261655927. The reversal of 3261655884 is 4885561623.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135902317 + ... + 135902340.

Almost surely, 2^3261655884 is an apocalyptic number.

It is an amenable number.

3261655884 is an abundant number, since it is smaller than the sum of its proper divisors (4348874540).

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

3261655884 is a wasteful number, since it uses less digits than its factorization.

3261655884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271804664 (or 271804662 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 48.

The square root of 3261655884 is about 57110.9086252355. The cubic root of 3261655884 is about 1483.0167168809.

The spelling of 3261655884 in words is "three billion, two hundred sixty-one million, six hundred fifty-five thousand, eight hundred eighty-four".