471409 has 8 divisors (see below), whose sum is σ = 508640. Its totient is φ = 435456.

The previous prime is 471407. The next prime is 471439. The reversal of 471409 is 904174.

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

It is a 5-Lehmer number, since φ(471409) divides (471409-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 471409 - 2¹ = 471407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (471403) 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, 529 + ... + 1105.

It is an arithmetic number, because the mean of its divisors is an integer number (63580).

2⁴⁷¹⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

471409 is a deficient number, since it is larger than the sum of its proper divisors (37231).

471409 is a wasteful number, since it uses less digits than its factorization.

471409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 471409 is about 686.5923098899. The cubic root of 471409 is about 77.8274181222.

The spelling of 471409 in words is "four hundred seventy-one thousand, four hundred nine".