431872532 has 48 divisors (see below), whose sum is σ = 960218112. Its totient is φ = 165335040.

The previous prime is 431872523. The next prime is 431872537. The reversal of 431872532 is 235278134.

It is a junction number, because it is equal to n+sod(n) for n = 431872492 and 431872501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431872537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7853 + ... + 30420.

It is an arithmetic number, because the mean of its divisors is an integer number (20004544).

Almost surely, 2^431872532 is an apocalyptic number.

It is an amenable number.

431872532 is an abundant number, since it is smaller than the sum of its proper divisors (528345580).

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

431872532 is a wasteful number, since it uses less digits than its factorization.

431872532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38328 (or 38326 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 431872532 is about 20781.5430610915. The cubic root of 431872532 is about 755.8782709486.

The spelling of 431872532 in words is "four hundred thirty-one million, eight hundred seventy-two thousand, five hundred thirty-two".