427318 has 4 divisors (see below), whose sum is σ = 640980. Its totient is φ = 213658.

The previous prime is 427309. The next prime is 427327. The reversal of 427318 is 813724.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (427309) and next prime (427327).

It is a junction number, because it is equal to n+sod(n) for n = 427292 and 427301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106828 + ... + 106831.

It is an arithmetic number, because the mean of its divisors is an integer number (160245).

2⁴²⁷³¹⁸ is an apocalyptic number.

427318 is a deficient number, since it is larger than the sum of its proper divisors (213662).

427318 is a wasteful number, since it uses less digits than its factorization.

427318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213661.

The product of its digits is 1344, while the sum is 25.

The square root of 427318 is about 653.6956478362. The cubic root of 427318 is about 75.3211708422.

The spelling of 427318 in words is "four hundred twenty-seven thousand, three hundred eighteen".