913240 has 48 divisors (see below), whose sum is σ = 2210400. Its totient is φ = 339456.

The previous prime is 913217. The next prime is 913247. The reversal of 913240 is 42319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913247) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11521 + ... + 11599.

It is an arithmetic number, because the mean of its divisors is an integer number (46050).

2⁹¹³²⁴⁰ 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 913240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1105200).

913240 is an abundant number, since it is smaller than the sum of its proper divisors (1297160).

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

913240 is a wasteful number, since it uses less digits than its factorization.

913240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 913240 is about 955.6359139338. The cubic root of 913240 is about 97.0200829923.

Adding to 913240 its reverse (42319), we get a palindrome (955559).

The spelling of 913240 in words is "nine hundred thirteen thousand, two hundred forty".