9808623 has 18 divisors (see below), whose sum is σ = 15574832. Its totient is φ = 5943960.

The previous prime is 9808621. The next prime is 9808661. The reversal of 9808623 is 3268089.

It is not a de Polignac number, because 9808623 - 2¹ = 9808621 is a prime.

It is a super-2 number, since 2×9808623² = 192418170312258, which contains 22 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 (9808621) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3415 + ... + 5592.

Almost surely, 2^9808623 is an apocalyptic number.

9808623 is a deficient number, since it is larger than the sum of its proper divisors (5766209).

9808623 is a wasteful number, since it uses less digits than its factorization.

9808623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9035 (or 9021 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 9808623 is about 3131.8721238263. The cubic root of 9808623 is about 214.0602430330.

The spelling of 9808623 in words is "nine million, eight hundred eight thousand, six hundred twenty-three".