431704 has 32 divisors (see below), whose sum is σ = 997920. Its totient is φ = 170496.

The previous prime is 431693. The next prime is 431707. The reversal of 431704 is 407134.

It is a happy number.

431704 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431707) by changing a digit.

431704 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432 + ... + 1024.

It is an arithmetic number, because the mean of its divisors is an integer number (31185).

2⁴³¹⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498960).

431704 is an abundant number, since it is smaller than the sum of its proper divisors (566216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431704 is a wasteful number, since it uses less digits than its factorization.

431704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 431704 is about 657.0418555922. The cubic root of 431704 is about 75.5779934641.

Adding to 431704 its reverse (407134), we get a palindrome (838838).

The spelling of 431704 in words is "four hundred thirty-one thousand, seven hundred four".