316949 has 4 divisors (see below), whose sum is σ = 319200. Its totient is φ = 314700.

The previous prime is 316937. The next prime is 316951. The reversal of 316949 is 949613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316949.

It is not an unprimeable number, because it can be changed into a prime (316919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899 + ... + 1200.

It is an arithmetic number, because the mean of its divisors is an integer number (79800).

2³¹⁶⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

316949 is a deficient number, since it is larger than the sum of its proper divisors (2251).

316949 is a wasteful number, since it uses less digits than its factorization.

316949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250.

The product of its digits is 5832, while the sum is 32.

The square root of 316949 is about 562.9822377305. The cubic root of 316949 is about 68.1809626290.

The spelling of 316949 in words is "three hundred sixteen thousand, nine hundred forty-nine".