312716 has 6 divisors (see below), whose sum is σ = 547260. Its totient is φ = 156356.

The previous prime is 312709. The next prime is 312727. The reversal of 312716 is 617213.

It is a happy number.

It is a d-powerful number, because it can be written as 3 + 1 + 7 + 2¹⁵ + 1 + 6⁷ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39086 + ... + 39093.

It is an arithmetic number, because the mean of its divisors is an integer number (91210).

2³¹²⁷¹⁶ is an apocalyptic number.

It is an amenable number.

312716 is a deficient number, since it is larger than the sum of its proper divisors (234544).

312716 is a wasteful number, since it uses less digits than its factorization.

312716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78183 (or 78181 counting only the distinct ones).

The product of its digits is 252, while the sum is 20.

The square root of 312716 is about 559.2101572754. The cubic root of 312716 is about 67.8760718594.

Adding to 312716 its reverse (617213), we get a palindrome (929929).

The spelling of 312716 in words is "three hundred twelve thousand, seven hundred sixteen".