318449 has 8 divisors (see below), whose sum is σ = 336000. Its totient is φ = 301392.

The previous prime is 318443. The next prime is 318457. The reversal of 318449 is 944813.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 318449 - 2¹⁶ = 252913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 318449.

It is not an unprimeable number, because it can be changed into a prime (318443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2222 + ... + 2360.

It is an arithmetic number, because the mean of its divisors is an integer number (42000).

2³¹⁸⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

318449 is a deficient number, since it is larger than the sum of its proper divisors (17551).

318449 is a wasteful number, since it uses less digits than its factorization.

318449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247.

The product of its digits is 3456, while the sum is 29.

The square root of 318449 is about 564.3128564901. The cubic root of 318449 is about 68.2883516510.

It can be divided in two parts, 318 and 449, that added together give a palindrome (767).

The spelling of 318449 in words is "three hundred eighteen thousand, four hundred forty-nine".