404871 has 8 divisors (see below), whose sum is σ = 568320. Its totient is φ = 255672.

The previous prime is 404851. The next prime is 404941. The reversal of 404871 is 178404.

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

It is not a de Polignac number, because 404871 - 2¹¹ = 402823 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404851) 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, 3495 + ... + 3608.

It is an arithmetic number, because the mean of its divisors is an integer number (71040).

2⁴⁰⁴⁸⁷¹ is an apocalyptic number.

404871 is a deficient number, since it is larger than the sum of its proper divisors (163449).

404871 is a wasteful number, since it uses less digits than its factorization.

404871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7125.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 404871 is about 636.2947430240. The cubic root of 404871 is about 73.9785060536.

It can be divided in two parts, 404 and 871, that added together give a triangular number (1275 = T₅₀).

The spelling of 404871 in words is "four hundred four thousand, eight hundred seventy-one".