316040 has 16 divisors (see below), whose sum is σ = 711180. Its totient is φ = 126400.

The previous prime is 316037. The next prime is 316051. The reversal of 316040 is 40613.

It can be written as a sum of positive squares in 2 ways, for example, as 315844 + 196 = 562^2 + 14^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3911 + ... + 3990.

2³¹⁶⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

316040 is an abundant number, since it is smaller than the sum of its proper divisors (395140).

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

316040 is a wasteful number, since it uses less digits than its factorization.

316040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7912 (or 7908 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 316040 is about 562.1743501797. The cubic root of 316040 is about 68.1157199154.

Adding to 316040 its reverse (40613), we get a palindrome (356653).

The spelling of 316040 in words is "three hundred sixteen thousand, forty".