9658872 has 64 divisors (see below), whose sum is σ = 27165600. Its totient is φ = 3179520.

The previous prime is 9658861. The next prime is 9658889. The reversal of 9658872 is 2788569.

9658872 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×9658872³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20722 + ... + 21182.

Almost surely, 2^9658872 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 9658872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13582800).

9658872 is an abundant number, since it is smaller than the sum of its proper divisors (17506728).

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

9658872 is a wasteful number, since it uses less digits than its factorization.

9658872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 563 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 9658872 is about 3107.8725842608. The cubic root of 9658872 is about 212.9652790062.

The spelling of 9658872 in words is "nine million, six hundred fifty-eight thousand, eight hundred seventy-two".