9550128 has 80 divisors (see below), whose sum is σ = 28894976. Its totient is φ = 2661120.

The previous prime is 9550127. The next prime is 9550147. The reversal of 9550128 is 8210559.

It is a junction number, because it is equal to n+sod(n) for n = 9550095 and 9550104.

It is not an unprimeable number, because it can be changed into a prime (9550127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14118 + ... + 14778.

Almost surely, 2^9550128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9550128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14447488).

9550128 is an abundant number, since it is smaller than the sum of its proper divisors (19344848).

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

9550128 is a wasteful number, since it uses less digits than its factorization.

9550128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 9550128 is about 3090.3281379167. The cubic root of 9550128 is about 212.1630405940.

The spelling of 9550128 in words is "nine million, five hundred fifty thousand, one hundred twenty-eight".