471669 has 8 divisors (see below), whose sum is σ = 686112. Its totient is φ = 285840.

The previous prime is 471659. The next prime is 471671. The reversal of 471669 is 966174.

It is a happy number.

471669 is nontrivially palindromic in base 15.

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

It is a de Polignac number, because none of the positive numbers 2^k-471669 is a prime.

It is a super-3 number, since 3×471669³ = 314798935770333927, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 14293 = 471669 / (4 + 7 + 1 + 6 + 6 + 9).

It is an Ulam number.

471669 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471619) by changing a digit.

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, 7114 + ... + 7179.

It is an arithmetic number, because the mean of its divisors is an integer number (85764).

2⁴⁷¹⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

471669 is a deficient number, since it is larger than the sum of its proper divisors (214443).

471669 is a wasteful number, since it uses less digits than its factorization.

471669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14307.

The product of its digits is 9072, while the sum is 33.

The square root of 471669 is about 686.7816246814. The cubic root of 471669 is about 77.8417237533.

The spelling of 471669 in words is "four hundred seventy-one thousand, six hundred sixty-nine".