427918 has 8 divisors (see below), whose sum is σ = 675720. Its totient is φ = 202680.

The previous prime is 427913. The next prime is 427919. The reversal of 427918 is 819724.

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

It is a super-2 number, since 2×427918² = 366227629448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 427918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427913) 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, 5593 + ... + 5668.

It is an arithmetic number, because the mean of its divisors is an integer number (84465).

2⁴²⁷⁹¹⁸ is an apocalyptic number.

427918 is a deficient number, since it is larger than the sum of its proper divisors (247802).

427918 is a wasteful number, since it uses less digits than its factorization.

427918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11282.

The product of its digits is 4032, while the sum is 31.

The square root of 427918 is about 654.1544160212. The cubic root of 427918 is about 75.3564073383.

The spelling of 427918 in words is "four hundred twenty-seven thousand, nine hundred eighteen".