605869 has 4 divisors (see below), whose sum is σ = 660960. Its totient is φ = 550780.

The previous prime is 605867. The next prime is 605873. The reversal of 605869 is 968506.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 605869 - 2¹ = 605867 is a prime.

It is a super-2 number, since 2×605869² = 734154490322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27529 + ... + 27550.

It is an arithmetic number, because the mean of its divisors is an integer number (165240).

2⁶⁰⁵⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

605869 is a deficient number, since it is larger than the sum of its proper divisors (55091).

605869 is a wasteful number, since it uses less digits than its factorization.

605869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55090.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 605869 is about 778.3758732129. The cubic root of 605869 is about 84.6173806056.

It can be divided in two parts, 60 and 5869, that added together give a square (5929 = 77²).

The spelling of 605869 in words is "six hundred five thousand, eight hundred sixty-nine".