431452 has 24 divisors (see below), whose sum is σ = 909440. Its totient is φ = 174960.

The previous prime is 431449. The next prime is 431479. The reversal of 431452 is 254134.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127 + ... + 937.

2⁴³¹⁴⁵² 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 431452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454720).

431452 is an abundant number, since it is smaller than the sum of its proper divisors (477988).

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

431452 is a wasteful number, since it uses less digits than its factorization.

431452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 839 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 431452 is about 656.8500589937. The cubic root of 431452 is about 75.5632848046.

Adding to 431452 its reverse (254134), we get a palindrome (685586).

The spelling of 431452 in words is "four hundred thirty-one thousand, four hundred fifty-two".