316644 has 12 divisors (see below), whose sum is σ = 738864. Its totient is φ = 105544.

The previous prime is 316637. The next prime is 316649. The reversal of 316644 is 446613.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 3 + 1 + 6⁵ + 6⁶ + 4³ + 4⁹ .

It is not an unprimeable number, because it can be changed into a prime (316649) 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, 13182 + ... + 13205.

It is an arithmetic number, because the mean of its divisors is an integer number (61572).

2³¹⁶⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

316644 is an abundant number, since it is smaller than the sum of its proper divisors (422220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316644 is a wasteful number, since it uses less digits than its factorization.

316644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26394 (or 26392 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 316644 is about 562.7112936489. The cubic root of 316644 is about 68.1590854315.

The spelling of 316644 in words is "three hundred sixteen thousand, six hundred forty-four".