9955856 has 10 divisors (see below), whose sum is σ = 19289502. Its totient is φ = 4977920.

The previous prime is 9955853. The next prime is 9955901. The reversal of 9955856 is 6585599.

It can be written as a sum of positive squares in only one way, i.e., 8317456 + 1638400 = 2884^2 + 1280^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9955856.

It is not an unprimeable number, because it can be changed into a prime (9955853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311105 + ... + 311136.

Almost surely, 2^9955856 is an apocalyptic number.

It is an amenable number.

9955856 is a deficient number, since it is larger than the sum of its proper divisors (9333646).

9955856 is a wasteful number, since it uses less digits than its factorization.

9955856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622249 (or 622243 counting only the distinct ones).

The product of its digits is 486000, while the sum is 47.

The square root of 9955856 is about 3155.2901609836. The cubic root of 9955856 is about 215.1259834914.

It can be divided in two parts, 99 and 55856, that added together give a palindrome (55955).

The spelling of 9955856 in words is "nine million, nine hundred fifty-five thousand, eight hundred fifty-six".