9116728 has 16 divisors (see below), whose sum is σ = 17645760. Its totient is φ = 4411200.

The previous prime is 9116707. The next prime is 9116729. The reversal of 9116728 is 8276119.

It is a happy number.

It is a super-2 number, since 2×9116728² = 166229458851968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9116693 and 9116702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9116729) 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, 18133 + ... + 18628.

It is an arithmetic number, because the mean of its divisors is an integer number (1102860).

Almost surely, 2^9116728 is an apocalyptic number.

It is an amenable number.

9116728 is a deficient number, since it is larger than the sum of its proper divisors (8529032).

9116728 is a wasteful number, since it uses less digits than its factorization.

9116728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36798 (or 36794 counting only the distinct ones).

The product of its digits is 6048, while the sum is 34.

The square root of 9116728 is about 3019.3919917758. The cubic root of 9116728 is about 208.9037964479.

The spelling of 9116728 in words is "nine million, one hundred sixteen thousand, seven hundred twenty-eight".