8968520 has 96 divisors (see below), whose sum is σ = 23700600. Its totient is φ = 3041280.

The previous prime is 8968499. The next prime is 8968567. The reversal of 8968520 is 258698.

8968520 = 210² + 211² + ... + 330².

It can be written as a sum of positive squares in 4 ways, for example, as 8561476 + 407044 = 2926^2 + 638^2 .

It is a congruent number.

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, 82226 + ... + 82334.

Almost surely, 2^8968520 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 8968520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11850300).

8968520 is an abundant number, since it is smaller than the sum of its proper divisors (14732080).

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

8968520 is a wasteful number, since it uses less digits than its factorization.

8968520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 8968520 is about 2994.7487373735. The cubic root of 8968520 is about 207.7655766256.

The spelling of 8968520 in words is "eight million, nine hundred sixty-eight thousand, five hundred twenty".