3321888732 has 72 divisors (see below), whose sum is σ = 8740822272. Its totient is φ = 1103122800.

The previous prime is 3321888727. The next prime is 3321888733. The reversal of 3321888732 is 2378881233.

It is a super-2 number, since 2×3321888732² = 22069889495577135648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321888733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257107 + ... + 269717.

Almost surely, 2^3321888732 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 3321888732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4370411136).

3321888732 is an abundant number, since it is smaller than the sum of its proper divisors (5418933540).

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

3321888732 is a wasteful number, since it uses less digits than its factorization.

3321888732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12901 (or 12887 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 3321888732 is about 57635.8285444046. The cubic root of 3321888732 is about 1492.0900255223.

The spelling of 3321888732 in words is "three billion, three hundred twenty-one million, eight hundred eighty-eight thousand, seven hundred thirty-two".