8913320 has 64 divisors (see below), whose sum is σ = 22029840. Its totient is φ = 3225600.

The previous prime is 8913293. The next prime is 8913323. The reversal of 8913320 is 233198.

It can be written as a sum of positive squares in 8 ways, for example, as 813604 + 8099716 = 902^2 + 2846^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 8913320.

It is not an unprimeable number, because it can be changed into a prime (8913323) 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, 31580 + ... + 31860.

Almost surely, 2^8913320 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 8913320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11014920).

8913320 is an abundant number, since it is smaller than the sum of its proper divisors (13116520).

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

8913320 is a wasteful number, since it uses less digits than its factorization.

8913320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 8913320 is about 2985.5183804492. The cubic root of 8913320 is about 207.3384429790.

The spelling of 8913320 in words is "eight million, nine hundred thirteen thousand, three hundred twenty".