3489546728 has 16 divisors (see below), whose sum is σ = 6590660580. Its totient is φ = 1732037248.

The previous prime is 3489546721. The next prime is 3489546737. The reversal of 3489546728 is 8276459843.

It can be written as a sum of positive squares in 2 ways, for example, as 3478404484 + 11142244 = 58978^2 + 3338^2 .

It is not an unprimeable number, because it can be changed into a prime (3489546721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1590851 + ... + 1593042.

Almost surely, 2^3489546728 is an apocalyptic number.

It is an amenable number.

3489546728 is a deficient number, since it is larger than the sum of its proper divisors (3101113852).

3489546728 is a wasteful number, since it uses less digits than its factorization.

3489546728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184036 (or 3184032 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 56.

The square root of 3489546728 is about 59072.3854944085. The cubic root of 3489546728 is about 1516.7814409834.

The spelling of 3489546728 in words is "three billion, four hundred eighty-nine million, five hundred forty-six thousand, seven hundred twenty-eight".