9628999 has 4 divisors (see below), whose sum is σ = 9737280. Its totient is φ = 9520720.

The previous prime is 9628981. The next prime is 9629023. The reversal of 9628999 is 9998269.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9998269 = 2017 ⋅4957.

It is a cyclic number.

It is not a de Polignac number, because 9628999 - 2¹⁵ = 9596231 is a prime.

It is a super-3 number, since 3×9628999³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9628909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54007 + ... + 54184.

It is an arithmetic number, because the mean of its divisors is an integer number (2434320).

Almost surely, 2^9628999 is an apocalyptic number.

9628999 is a deficient number, since it is larger than the sum of its proper divisors (108281).

9628999 is a wasteful number, since it uses less digits than its factorization.

9628999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108280.

The product of its digits is 629856, while the sum is 52.

The square root of 9628999 is about 3103.0628417742. The cubic root of 9628999 is about 212.7454989674.

The spelling of 9628999 in words is "nine million, six hundred twenty-eight thousand, nine hundred ninety-nine".