431471 has 4 divisors (see below), whose sum is σ = 454200. Its totient is φ = 408744.

The previous prime is 431449. The next prime is 431479. The reversal of 431471 is 174134.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 431471 - 2¹⁴ = 415087 is a prime.

It is a super-3 number, since 3×431471³ = 240977274713700333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11336 + ... + 11373.

It is an arithmetic number, because the mean of its divisors is an integer number (113550).

2⁴³¹⁴⁷¹ is an apocalyptic number.

431471 is a deficient number, since it is larger than the sum of its proper divisors (22729).

431471 is a wasteful number, since it uses less digits than its factorization.

431471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22728.

The product of its digits is 336, while the sum is 20.

The square root of 431471 is about 656.8645218003. The cubic root of 431471 is about 75.5643939904.

The spelling of 431471 in words is "four hundred thirty-one thousand, four hundred seventy-one".