9928617 has 16 divisors (see below), whose sum is σ = 14190720. Its totient is φ = 6158592.

The previous prime is 9928613. The next prime is 9928619. The reversal of 9928617 is 7168299.

It is not a de Polignac number, because 9928617 - 2² = 9928613 is a prime.

It is a super-3 number, since 3×9928617³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9928613) 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, 609 + ... + 4497.

It is an arithmetic number, because the mean of its divisors is an integer number (886920).

Almost surely, 2^9928617 is an apocalyptic number.

It is an amenable number.

9928617 is a deficient number, since it is larger than the sum of its proper divisors (4262103).

9928617 is a wasteful number, since it uses less digits than its factorization.

9928617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952.

The product of its digits is 54432, while the sum is 42.

The square root of 9928617 is about 3150.9708027844. The cubic root of 9928617 is about 214.9296109942.

The spelling of 9928617 in words is "nine million, nine hundred twenty-eight thousand, six hundred seventeen".