431232 has 32 divisors (see below), whose sum is σ = 1146480. Its totient is φ = 143616.

The previous prime is 431219. The next prime is 431237. The reversal of 431232 is 232134.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×431232² = 371922075648, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (431237) 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, 178 + ... + 945.

2⁴³¹²³² is an apocalyptic number.

It is an amenable number.

431232 is an abundant number, since it is smaller than the sum of its proper divisors (715248).

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

431232 is a wasteful number, since it uses less digits than its factorization.

431232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140 (or 1128 counting only the distinct ones).

The product of its digits is 144, while the sum is 15.

The square root of 431232 is about 656.6825717194. The cubic root of 431232 is about 75.5504392281.

Adding to 431232 its reverse (232134), we get a palindrome (663366).

It can be divided in two parts, 43 and 1232, that added together give a triangular number (1275 = T₅₀).

The spelling of 431232 in words is "four hundred thirty-one thousand, two hundred thirty-two".