316940 has 48 divisors (see below), whose sum is σ = 762048. Its totient is φ = 109824.

The previous prime is 316937. The next prime is 316951. The reversal of 316940 is 49613.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316940.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5954 + ... + 6006.

It is an arithmetic number, because the mean of its divisors is an integer number (15876).

2³¹⁶⁹⁴⁰ 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 316940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381024).

316940 is an abundant number, since it is smaller than the sum of its proper divisors (445108).

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

316940 is a wasteful number, since it uses less digits than its factorization.

316940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 316940 is about 562.9742445263. The cubic root of 316940 is about 68.1803172734.

The spelling of 316940 in words is "three hundred sixteen thousand, nine hundred forty".