9955650 has 48 divisors (see below), whose sum is σ = 25498368. Its totient is φ = 2568000.

The previous prime is 9955643. The next prime is 9955651. The reversal of 9955650 is 565599.

9955650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9955650² = 198229933845000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9955599 and 9955608.

It is not an unprimeable number, because it can be changed into a prime (9955651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3580 + ... + 5720.

It is an arithmetic number, because the mean of its divisors is an integer number (531216).

Almost surely, 2^9955650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9955650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12749184).

9955650 is an abundant number, since it is smaller than the sum of its proper divisors (15542718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9955650 is a wasteful number, since it uses less digits than its factorization.

9955650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187 (or 2182 counting only the distinct ones).

The product of its (nonzero) digits is 60750, while the sum is 39.

The square root of 9955650 is about 3155.2575172242. The cubic root of 9955650 is about 215.1244997328.

The spelling of 9955650 in words is "nine million, nine hundred fifty-five thousand, six hundred fifty".