316605 has 8 divisors (see below), whose sum is σ = 506592. Its totient is φ = 168848.

The previous prime is 316583. The next prime is 316621. The reversal of 316605 is 506613.

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 316605 - 2¹² = 312509 is a prime.

316605 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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, 10539 + ... + 10568.

It is an arithmetic number, because the mean of its divisors is an integer number (63324).

2³¹⁶⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

316605 is a deficient number, since it is larger than the sum of its proper divisors (189987).

316605 is a wasteful number, since it uses less digits than its factorization.

316605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21115.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 316605 is about 562.6766389322. The cubic root of 316605 is about 68.1562870065.

The spelling of 316605 in words is "three hundred sixteen thousand, six hundred five".