431673332 has 12 divisors (see below), whose sum is σ = 767812836. Its totient is φ = 212298240.

The previous prime is 431673311. The next prime is 431673349. The reversal of 431673332 is 233376134.

It can be written as a sum of positive squares in 2 ways, for example, as 65869456 + 365803876 = 8116^2 + 19126^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884333 + ... + 884820.

It is an arithmetic number, because the mean of its divisors is an integer number (63984403).

Almost surely, 2^431673332 is an apocalyptic number.

It is an amenable number.

431673332 is a deficient number, since it is larger than the sum of its proper divisors (336139504).

431673332 is a wasteful number, since it uses less digits than its factorization.

431673332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769218 (or 1769216 counting only the distinct ones).

The product of its digits is 27216, while the sum is 32.

The square root of 431673332 is about 20776.7497939403. The cubic root of 431673332 is about 755.7620374951.

The spelling of 431673332 in words is "four hundred thirty-one million, six hundred seventy-three thousand, three hundred thirty-two".