913040 has 40 divisors (see below), whose sum is σ = 2162808. Its totient is φ = 358400.

The previous prime is 913039. The next prime is 913063. The reversal of 913040 is 40319.

It can be written as a sum of positive squares in 4 ways, for example, as 73984 + 839056 = 272^2 + 916^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 8024 + ... + 8136.

2⁹¹³⁰⁴⁰ 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 913040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1081404).

913040 is an abundant number, since it is smaller than the sum of its proper divisors (1249768).

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

913040 is a wasteful number, since it uses less digits than its factorization.

913040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 913040 is about 955.5312658412. The cubic root of 913040 is about 97.0129999936.

Adding to 913040 its reverse (40319), we get a palindrome (953359).

The spelling of 913040 in words is "nine hundred thirteen thousand, forty".