9955444 has 12 divisors (see below), whose sum is σ = 17708068. Its totient is φ = 4896000.

The previous prime is 9955441. The next prime is 9955447. The reversal of 9955444 is 4445599.

It is an interprime number because it is at equal distance from previous prime (9955441) and next prime (9955447).

It can be written as a sum of positive squares in 2 ways, for example, as 4892944 + 5062500 = 2212^2 + 2250^2 .

It is a super-2 number, since 2×9955444² = 198221730474272, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9955397 and 9955406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9955441) 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, 20157 + ... + 20644.

Almost surely, 2^9955444 is an apocalyptic number.

It is an amenable number.

9955444 is a deficient number, since it is larger than the sum of its proper divisors (7752624).

9955444 is a wasteful number, since it uses less digits than its factorization.

9955444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40866 (or 40864 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 9955444 is about 3155.2248731271. The cubic root of 9955444 is about 215.1230159539.

The spelling of 9955444 in words is "nine million, nine hundred fifty-five thousand, four hundred forty-four".