916932728 has 16 divisors (see below), whose sum is σ = 1720602000. Its totient is φ = 458105536.

The previous prime is 916932727. The next prime is 916932749. The reversal of 916932728 is 827239619.

It is a happy number.

916932728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916932727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34148 + ... + 54771.

It is an arithmetic number, because the mean of its divisors is an integer number (107537625).

Almost surely, 2^916932728 is an apocalyptic number.

It is an amenable number.

916932728 is a deficient number, since it is larger than the sum of its proper divisors (803669272).

916932728 is a wasteful number, since it uses less digits than its factorization.

916932728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90214 (or 90210 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 916932728 is about 30280.8970805028. The cubic root of 916932728 is about 971.5067552249.

The spelling of 916932728 in words is "nine hundred sixteen million, nine hundred thirty-two thousand, seven hundred twenty-eight".