605506 has 16 divisors (see below), whose sum is σ = 1049760. Its totient is φ = 258880.

The previous prime is 605503. The next prime is 605509.

605506 = T₉₈ + T₉₉ + ... + T₁₆₅.

605506 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (605503) and next prime (605509).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (605503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436 + ... + 1183.

It is an arithmetic number, because the mean of its divisors is an integer number (65610).

2⁶⁰⁵⁵⁰⁶ is an apocalyptic number.

605506 is a deficient number, since it is larger than the sum of its proper divisors (444254).

605506 is a wasteful number, since it uses less digits than its factorization.

605506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 605506 is about 778.1426604422. The cubic root of 605506 is about 84.6004780268.

It can be divided in two parts, 605 and 506, that added together give a palindrome (1111).

The spelling of 605506 in words is "six hundred five thousand, five hundred six".