318673 has 4 divisors (see below), whose sum is σ = 326128. Its totient is φ = 311220.

The previous prime is 318671. The next prime is 318677. The reversal of 318673 is 376813.

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, and also an emirpimes, since its reverse is a distinct semiprime: 376813 = 109 ⋅3457.

It is a cyclic number.

It is not a de Polignac number, because 318673 - 2¹ = 318671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (318671) 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, 3663 + ... + 3748.

It is an arithmetic number, because the mean of its divisors is an integer number (81532).

2³¹⁸⁶⁷³ is an apocalyptic number.

It is an amenable number.

318673 is a deficient number, since it is larger than the sum of its proper divisors (7455).

318673 is an equidigital number, since it uses as much as digits as its factorization.

318673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7454.

The product of its digits is 3024, while the sum is 28.

The square root of 318673 is about 564.5112930668. The cubic root of 318673 is about 68.3043594530.

The spelling of 318673 in words is "three hundred eighteen thousand, six hundred seventy-three".