9875520 has 168 divisors, whose sum is σ = 35503104. Its totient is φ = 2612736.

The previous prime is 9875519. The next prime is 9875539. The reversal of 9875520 is 255789.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77697 + ... + 77823.

It is an arithmetic number, because the mean of its divisors is an integer number (211328).

Almost surely, 2^9875520 is an apocalyptic number.

9875520 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9875520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17751552).

9875520 is an abundant number, since it is smaller than the sum of its proper divisors (25627584).

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

9875520 is a wasteful number, since it uses less digits than its factorization.

9875520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 9875520 is about 3142.5340093625. The cubic root of 9875520 is about 214.5457870861.

The spelling of 9875520 in words is "nine million, eight hundred seventy-five thousand, five hundred twenty".