3228761872 has 20 divisors (see below), whose sum is σ = 7149401536. Its totient is φ = 1383755040.

The previous prime is 3228761869. The next prime is 3228761891. The reversal of 3228761872 is 2781678223.

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, 14414004 + ... + 14414227.

Almost surely, 2^3228761872 is an apocalyptic number.

It is an amenable number.

3228761872 is an abundant number, since it is smaller than the sum of its proper divisors (3920639664).

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

3228761872 is a wasteful number, since it uses less digits than its factorization.

3228761872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28828246 (or 28828240 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 3228761872 is about 56822.1952409444. The cubic root of 3228761872 is about 1478.0144227924.

The spelling of 3228761872 in words is "three billion, two hundred twenty-eight million, seven hundred sixty-one thousand, eight hundred seventy-two".