913320 has 96 divisors (see below), whose sum is σ = 3088800. Its totient is φ = 233856.

The previous prime is 913309. The next prime is 913321. The reversal of 913320 is 23319.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 913293 and 913302.

It is not an unprimeable number, because it can be changed into a prime (913321) by changing a digit.

913320 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15451 + ... + 15509.

It is an arithmetic number, because the mean of its divisors is an integer number (32175).

2⁹¹³³²⁰ is an apocalyptic number.

913320 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 913320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1544400).

913320 is an abundant number, since it is smaller than the sum of its proper divisors (2175480).

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

913320 is a wasteful number, since it uses less digits than its factorization.

913320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 913320 is about 955.6777699622. The cubic root of 913320 is about 97.0229159022.

Adding to 913320 its reverse (23319), we get a palindrome (936639).

The spelling of 913320 in words is "nine hundred thirteen thousand, three hundred twenty".