316540 has 72 divisors (see below), whose sum is σ = 861840. Its totient is φ = 96768.

The previous prime is 316531. The next prime is 316567. The reversal of 316540 is 45613.

316540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16651 + ... + 16669.

It is an arithmetic number, because the mean of its divisors is an integer number (11970).

2³¹⁶⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430920).

316540 is an abundant number, since it is smaller than the sum of its proper divisors (545300).

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

316540 is a wasteful number, since it uses less digits than its factorization.

316540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 316540 is about 562.6188763275. The cubic root of 316540 is about 68.1516224541.

The spelling of 316540 in words is "three hundred sixteen thousand, five hundred forty".