3328821564 has 12 divisors (see below), whose sum is σ = 7767250344. Its totient is φ = 1109607184.

The previous prime is 3328821557. The next prime is 3328821583. The reversal of 3328821564 is 4651288233.

3328821564 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×3328821564² = 22162106009902812192, which contains 22 as substring.

It is a congruent number.

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, 138700887 + ... + 138700910.

It is an arithmetic number, because the mean of its divisors is an integer number (647270862).

Almost surely, 2^3328821564 is an apocalyptic number.

It is an amenable number.

3328821564 is an abundant number, since it is smaller than the sum of its proper divisors (4438428780).

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

3328821564 is a wasteful number, since it uses less digits than its factorization.

3328821564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277401804 (or 277401802 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 3328821564 is about 57695.9406197698. The cubic root of 3328821564 is about 1493.1273090608.

The spelling of 3328821564 in words is "three billion, three hundred twenty-eight million, eight hundred twenty-one thousand, five hundred sixty-four".