438471 has 24 divisors (see below), whose sum is σ = 713856. Its totient is φ = 257040.

The previous prime is 438467. The next prime is 438479. The reversal of 438471 is 174834.

It is not a de Polignac number, because 438471 - 2² = 438467 is a prime.

It is a super-3 number, since 3×438471³ = 252897117526683333, which contains 333 as substring.

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 438471.

It is not an unprimeable number, because it can be changed into a prime (438479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4206 + ... + 4308.

It is an arithmetic number, because the mean of its divisors is an integer number (29744).

2⁴³⁸⁴⁷¹ is an apocalyptic number.

438471 is a deficient number, since it is larger than the sum of its proper divisors (275385).

438471 is a wasteful number, since it uses less digits than its factorization.

438471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 160 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 438471 is about 662.1714279550. The cubic root of 438471 is about 75.9708452346.

It can be divided in two parts, 438 and 471, that added together give a palindrome (909).

The spelling of 438471 in words is "four hundred thirty-eight thousand, four hundred seventy-one".