318441 has 8 divisors (see below), whose sum is σ = 427680. Its totient is φ = 210752.

The previous prime is 318431. The next prime is 318443. The reversal of 318441 is 144813.

318441 is nontrivially palindromic in base 15.

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 318441 - 2⁶ = 318377 is a prime.

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, 241 + ... + 833.

It is an arithmetic number, because the mean of its divisors is an integer number (53460).

2³¹⁸⁴⁴¹ is an apocalyptic number.

It is an amenable number.

318441 is a deficient number, since it is larger than the sum of its proper divisors (109239).

318441 is a wasteful number, since it uses less digits than its factorization.

318441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775.

The product of its digits is 384, while the sum is 21.

The square root of 318441 is about 564.3057681789. The cubic root of 318441 is about 68.2877798050.

The spelling of 318441 in words is "three hundred eighteen thousand, four hundred forty-one".