3233681920 has 160 divisors (see below), whose sum is σ = 9148271616. Its totient is φ = 1072742400.

The previous prime is 3233681897. The next prime is 3233681929. The reversal of 3233681920 is 291863323.

It is a tau number, because it is divible by the number of its divisors (160).

It is a self number, because there is not a number n which added to its sum of digits gives 3233681920.

It is not an unprimeable number, because it can be changed into a prime (3233681929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552610 + ... + 558430.

Almost surely, 2^3233681920 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 3233681920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4574135808).

3233681920 is an abundant number, since it is smaller than the sum of its proper divisors (5914589696).

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

3233681920 is an equidigital number, since it uses as much as digits as its factorization.

3233681920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882 (or 5866 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 3233681920 is about 56865.4721250075. The cubic root of 3233681920 is about 1478.7647838317.

The spelling of 3233681920 in words is "three billion, two hundred thirty-three million, six hundred eighty-one thousand, nine hundred twenty".