3489325728 has 48 divisors (see below), whose sum is σ = 10467979200. Its totient is φ = 996950016.

The previous prime is 3489325709. The next prime is 3489325729. The reversal of 3489325728 is 8275239843.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (3489325729) 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, 2595553 + ... + 2596896.

It is an arithmetic number, because the mean of its divisors is an integer number (218082900).

Almost surely, 2^3489325728 is an apocalyptic number.

It is an amenable number.

3489325728 is an abundant number, since it is smaller than the sum of its proper divisors (6978653472).

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

3489325728 is a wasteful number, since it uses less digits than its factorization.

3489325728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5192469 (or 5192461 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The square root of 3489325728 is about 59070.5148784061. The cubic root of 3489325728 is about 1516.7494200362.

The spelling of 3489325728 in words is "three billion, four hundred eighty-nine million, three hundred twenty-five thousand, seven hundred twenty-eight".