9956899 has 4 divisors (see below), whose sum is σ = 10125720. Its totient is φ = 9788080.

The previous prime is 9956897. The next prime is 9956909. The reversal of 9956899 is 9986599.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9956899 - 2¹ = 9956897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9956897) 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, 84322 + ... + 84439.

It is an arithmetic number, because the mean of its divisors is an integer number (2531430).

Almost surely, 2^9956899 is an apocalyptic number.

9956899 is a deficient number, since it is larger than the sum of its proper divisors (168821).

9956899 is a wasteful number, since it uses less digits than its factorization.

9956899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168820.

The product of its digits is 1574640, while the sum is 55.

The square root of 9956899 is about 3155.4554346401. The cubic root of 9956899 is about 215.1334956050.

The spelling of 9956899 in words is "nine million, nine hundred fifty-six thousand, eight hundred ninety-nine".