9620128 has 48 divisors (see below), whose sum is σ = 22002624. Its totient is φ = 4055040.

The previous prime is 9620119. The next prime is 9620129. The reversal of 9620128 is 8210269.

It is a happy number.

It is a super-3 number, since 3×9620128³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 9620096 and 9620105.

It is not an unprimeable number, because it can be changed into a prime (9620129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14688 + ... + 15328.

It is an arithmetic number, because the mean of its divisors is an integer number (458388).

Almost surely, 2^9620128 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 9620128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11001312).

9620128 is an abundant number, since it is smaller than the sum of its proper divisors (12382496).

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

9620128 is a wasteful number, since it uses less digits than its factorization.

9620128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 9620128 is about 3101.6331182137. The cubic root of 9620128 is about 212.6801462004.

The spelling of 9620128 in words is "nine million, six hundred twenty thousand, one hundred twenty-eight".