471647 has 8 divisors (see below), whose sum is σ = 524880. Its totient is φ = 420160.

The previous prime is 471641. The next prime is 471649. The reversal of 471647 is 746174.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 471647 - 2⁸ = 471391 is a prime.

It is a Duffinian 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 471647.

It is not an unprimeable number, because it can be changed into a prime (471641) 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, 179 + ... + 987.

It is an arithmetic number, because the mean of its divisors is an integer number (65610).

2⁴⁷¹⁶⁴⁷ is an apocalyptic number.

471647 is a deficient number, since it is larger than the sum of its proper divisors (53233).

471647 is a wasteful number, since it uses less digits than its factorization.

471647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873.

The product of its digits is 4704, while the sum is 29.

The square root of 471647 is about 686.7656077586. The cubic root of 471647 is about 77.8405134804.

The spelling of 471647 in words is "four hundred seventy-one thousand, six hundred forty-seven".