913280 has 32 divisors (see below), whose sum is σ = 2184840. Its totient is φ = 365056.

The previous prime is 913279. The next prime is 913309. The reversal of 913280 is 82319.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74 + ... + 1353.

2⁹¹³²⁸⁰ 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 913280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1092420).

913280 is an abundant number, since it is smaller than the sum of its proper divisors (1271560).

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

913280 is a wasteful number, since it uses less digits than its factorization.

913280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446 (or 1434 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 913280 is about 955.6568421771. The cubic root of 913280 is about 97.0214994680.

Adding to 913280 its reverse (82319), we get a palindrome (995599).

The spelling of 913280 in words is "nine hundred thirteen thousand, two hundred eighty".