431972382 has 8 divisors (see below), whose sum is σ = 863944776. Its totient is φ = 143990792.

The previous prime is 431972381. The next prime is 431972393. The reversal of 431972382 is 283279134.

It is a sphenic number, since it is the product of 3 distinct primes.

431972382 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 431972382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431972381) 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, 35997693 + ... + 35997704.

It is an arithmetic number, because the mean of its divisors is an integer number (107993097).

Almost surely, 2^431972382 is an apocalyptic number.

431972382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

431972382 is a wasteful number, since it uses less digits than its factorization.

431972382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71995402.

The product of its digits is 72576, while the sum is 39.

The square root of 431972382 is about 20783.9452943853. The cubic root of 431972382 is about 755.9365201031.

The spelling of 431972382 in words is "four hundred thirty-one million, nine hundred seventy-two thousand, three hundred eighty-two".