3232636728 has 32 divisors (see below), whose sum is σ = 8360269200. Its totient is φ = 1040388608.

The previous prime is 3232636723. The next prime is 3232636741. The reversal of 3232636728 is 8276362323.

It is a self number, because there is not a number n which added to its sum of digits gives 3232636728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3232636723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2321601 + ... + 2322992.

Almost surely, 2^3232636728 is an apocalyptic number.

It is an amenable number.

3232636728 is an abundant number, since it is smaller than the sum of its proper divisors (5127632472).

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

3232636728 is a wasteful number, since it uses less digits than its factorization.

3232636728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644631 (or 4644627 counting only the distinct ones).

The product of its digits is 435456, while the sum is 42.

The square root of 3232636728 is about 56856.2813416425. The cubic root of 3232636728 is about 1478.6054443427.

The spelling of 3232636728 in words is "three billion, two hundred thirty-two million, six hundred thirty-six thousand, seven hundred twenty-eight".