9959799 has 8 divisors (see below), whose sum is σ = 13381632. Its totient is φ = 6588920.

The previous prime is 9959797. The next prime is 9959801. The reversal of 9959799 is 9979599.

It is an interprime number because it is at equal distance from previous prime (9959797) and next prime (9959801).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9959799 - 2¹ = 9959797 is a prime.

It is a super-2 number, since 2×9959799² = 198395192240802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9959797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12279 + ... + 13064.

It is an arithmetic number, because the mean of its divisors is an integer number (1672704).

Almost surely, 2^9959799 is an apocalyptic number.

9959799 is a deficient number, since it is larger than the sum of its proper divisors (3421833).

9959799 is a wasteful number, since it uses less digits than its factorization.

9959799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25477.

The product of its digits is 2066715, while the sum is 57.

The square root of 9959799 is about 3155.9149228076. The cubic root of 9959799 is about 215.1543798374.

The spelling of 9959799 in words is "nine million, nine hundred fifty-nine thousand, seven hundred ninety-nine".