471646 has 16 divisors (see below), whose sum is σ = 823680. Its totient is φ = 198360.

The previous prime is 471641. The next prime is 471649. The reversal of 471646 is 646174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471641) by changing a digit.

471646 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541 + ... + 1111.

It is an arithmetic number, because the mean of its divisors is an integer number (51480).

2⁴⁷¹⁶⁴⁶ is an apocalyptic number.

471646 is a deficient number, since it is larger than the sum of its proper divisors (352034).

471646 is a wasteful number, since it uses less digits than its factorization.

471646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639.

The product of its digits is 4032, while the sum is 28.

The square root of 471646 is about 686.7648797077. The cubic root of 471646 is about 77.8404584671.

The spelling of 471646 in words is "four hundred seventy-one thousand, six hundred forty-six".