920585 has 4 divisors (see below), whose sum is σ = 1104708. Its totient is φ = 736464.

The previous prime is 920561. The next prime is 920609. The reversal of 920585 is 585029.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (920561) and next prime (920609).

It can be written as a sum of positive squares in 2 ways, for example, as 139129 + 781456 = 373^2 + 884^2 .

It is a cyclic number.

It is not a de Polignac number, because 920585 - 2¹⁴ = 904201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920585.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92054 + ... + 92063.

It is an arithmetic number, because the mean of its divisors is an integer number (276177).

2⁹²⁰⁵⁸⁵ is an apocalyptic number.

It is an amenable number.

920585 is a deficient number, since it is larger than the sum of its proper divisors (184123).

920585 is a wasteful number, since it uses less digits than its factorization.

920585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184122.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 920585 is about 959.4712085310. The cubic root of 920585 is about 97.2794929085.

The spelling of 920585 in words is "nine hundred twenty thousand, five hundred eighty-five".