913585 has 8 divisors (see below), whose sum is σ = 1109160. Its totient is φ = 722304.

The previous prime is 913579. The next prime is 913589. The reversal of 913585 is 585319.

It can be written as a sum of positive squares in 4 ways, for example, as 24336 + 889249 = 156^2 + 943^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 913585 - 2⁷ = 913457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (913589) by changing a digit.

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, 582 + ... + 1471.

It is an arithmetic number, because the mean of its divisors is an integer number (138645).

2⁹¹³⁵⁸⁵ is an apocalyptic number.

It is an amenable number.

913585 is a deficient number, since it is larger than the sum of its proper divisors (195575).

913585 is a wasteful number, since it uses less digits than its factorization.

913585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147.

The product of its digits is 5400, while the sum is 31.

The square root of 913585 is about 955.8164049649. The cubic root of 913585 is about 97.0322987350.

It can be divided in two parts, 9 and 13585, that multiplied together give a triangular number (122265 = T₄₉₄).

The spelling of 913585 in words is "nine hundred thirteen thousand, five hundred eighty-five".