471609 has 8 divisors (see below), whose sum is σ = 698720. Its totient is φ = 314388.

The previous prime is 471607. The next prime is 471617. The reversal of 471609 is 906174.

It is not a de Polignac number, because 471609 - 2¹ = 471607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 17467 = 471609 / (4 + 7 + 1 + 6 + 0 + 9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (471607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8707 + ... + 8760.

It is an arithmetic number, because the mean of its divisors is an integer number (87340).

2⁴⁷¹⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

471609 is a deficient number, since it is larger than the sum of its proper divisors (227111).

471609 is a wasteful number, since it uses less digits than its factorization.

471609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17476 (or 17470 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 471609 is about 686.7379412847. The cubic root of 471609 is about 77.8384229205.

The spelling of 471609 in words is "four hundred seventy-one thousand, six hundred nine".