471666 has 16 divisors (see below), whose sum is σ = 1016064. Its totient is φ = 145104.

The previous prime is 471659. The next prime is 471671. The reversal of 471666 is 666174.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 471666.

It is an unprimeable number.

471666 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 7 ways as a sum of consecutive naturals, for example, 2946 + ... + 3101.

It is an arithmetic number, because the mean of its divisors is an integer number (63504).

2⁴⁷¹⁶⁶⁶ is an apocalyptic number.

471666 is an abundant number, since it is smaller than the sum of its proper divisors (544398).

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

471666 is a wasteful number, since it uses less digits than its factorization.

471666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065.

The product of its digits is 6048, while the sum is 30.

The square root of 471666 is about 686.7794405775. The cubic root of 471666 is about 77.8415587183.

The spelling of 471666 in words is "four hundred seventy-one thousand, six hundred sixty-six".