595985 has 16 divisors (see below), whose sum is σ = 789264. Its totient is φ = 429312.

The previous prime is 595981. The next prime is 596009. The reversal of 595985 is 589595.

It is a happy number.

It is a Cunningham number, because it is equal to 772²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 4624 + 591361 = 68^2 + 769^2 .

It is not a de Polignac number, because 595985 - 2² = 595981 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 595985.

It is not an unprimeable number, because it can be changed into a prime (595981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3359 + ... + 3531.

It is an arithmetic number, because the mean of its divisors is an integer number (49329).

2⁵⁹⁵⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

595985 is a deficient number, since it is larger than the sum of its proper divisors (193279).

595985 is a wasteful number, since it uses less digits than its factorization.

595985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244.

The product of its digits is 81000, while the sum is 41.

The square root of 595985 is about 772.0006476681. Note that the first 3 decimals coincide. The cubic root of 595985 is about 84.1547129818.

The spelling of 595985 in words is "five hundred ninety-five thousand, nine hundred eighty-five".