471918 has 8 divisors (see below), whose sum is σ = 943848. Its totient is φ = 157304.

The previous prime is 471907. The next prime is 471923. The reversal of 471918 is 819174.

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

471918 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 471918.

It is an unprimeable number.

471918 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39321 + ... + 39332.

It is an arithmetic number, because the mean of its divisors is an integer number (117981).

2⁴⁷¹⁹¹⁸ is an apocalyptic number.

471918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

471918 is a wasteful number, since it uses less digits than its factorization.

471918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78658.

The product of its digits is 2016, while the sum is 30.

The square root of 471918 is about 686.9628810933. The cubic root of 471918 is about 77.8554192187.

The spelling of 471918 in words is "four hundred seventy-one thousand, nine hundred eighteen".