316724 has 6 divisors (see below), whose sum is σ = 554274. Its totient is φ = 158360.

The previous prime is 316717. The next prime is 316753. The reversal of 316724 is 427613.

It can be written as a sum of positive squares in only one way, i.e., 268324 + 48400 = 518^2 + 220^2 .

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 316724.

It is a congruent number.

It is an unprimeable number.

316724 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39587 + ... + 39594.

It is an arithmetic number, because the mean of its divisors is an integer number (92379).

2³¹⁶⁷²⁴ is an apocalyptic number.

It is an amenable number.

316724 is a deficient number, since it is larger than the sum of its proper divisors (237550).

316724 is a wasteful number, since it uses less digits than its factorization.

316724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79185 (or 79183 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 316724 is about 562.7823735690. The cubic root of 316724 is about 68.1648250715.

Subtracting 316724 from its reverse (427613), we obtain a square (110889 = 333²).

The spelling of 316724 in words is "three hundred sixteen thousand, seven hundred twenty-four".