915320 has 48 divisors (see below), whose sum is σ = 2400840. Its totient is φ = 313152.

The previous prime is 915311. The next prime is 915353. The reversal of 915320 is 23519.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 915292 and 915301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1727 + ... + 2193.

2⁹¹⁵³²⁰ 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 915320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1200420).

915320 is an abundant number, since it is smaller than the sum of its proper divisors (1485520).

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

915320 is a wasteful number, since it uses less digits than its factorization.

915320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 915320 is about 956.7235755431. The cubic root of 915320 is about 97.0936849509.

Adding to 915320 its reverse (23519), we get a palindrome (938839).

The spelling of 915320 in words is "nine hundred fifteen thousand, three hundred twenty".