671318 has 8 divisors (see below), whose sum is σ = 1016712. Its totient is φ = 332416.

The previous prime is 671303. The next prime is 671323. The reversal of 671318 is 813176.

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

It is a super-3 number, since 3×671318³ = 907624333526308296, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355 + ... + 1782.

It is an arithmetic number, because the mean of its divisors is an integer number (127089).

2⁶⁷¹³¹⁸ is an apocalyptic number.

671318 is a deficient number, since it is larger than the sum of its proper divisors (345394).

671318 is a wasteful number, since it uses less digits than its factorization.

671318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246.

The product of its digits is 1008, while the sum is 26.

The square root of 671318 is about 819.3399782752. The cubic root of 671318 is about 87.5607414977.

It can be divided in two parts, 671 and 318, that added together give a palindrome (989).

The spelling of 671318 in words is "six hundred seventy-one thousand, three hundred eighteen".