471664 has 20 divisors (see below), whose sum is σ = 937440. Its totient is φ = 229760.

The previous prime is 471659. The next prime is 471671. The reversal of 471664 is 466174.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297 + ... + 1015.

It is an arithmetic number, because the mean of its divisors is an integer number (46872).

2⁴⁷¹⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

471664 is a deficient number, since it is larger than the sum of its proper divisors (465776).

471664 is a wasteful number, since it uses less digits than its factorization.

471664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 762 counting only the distinct ones).

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

The square root of 471664 is about 686.7779845045. Note that the first 3 decimals coincide. The cubic root of 471664 is about 77.8414486945.

It can be divided in two parts, 47 and 1664, that added together give a triangular number (1711 = T₅₈).

The spelling of 471664 in words is "four hundred seventy-one thousand, six hundred sixty-four".