431698 has 8 divisors (see below), whose sum is σ = 685692. Its totient is φ = 203136.

The previous prime is 431693. The next prime is 431707. The reversal of 431698 is 896134.

It can be written as a sum of positive squares in 2 ways, for example, as 431649 + 49 = 657^2 + 7^2 .

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

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (431693) 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, 6315 + ... + 6382.

2⁴³¹⁶⁹⁸ is an apocalyptic number.

431698 is a deficient number, since it is larger than the sum of its proper divisors (253994).

431698 is a wasteful number, since it uses less digits than its factorization.

431698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12716.

The product of its digits is 5184, while the sum is 31.

The square root of 431698 is about 657.0372896571. The cubic root of 431698 is about 75.5776433244.

The spelling of 431698 in words is "four hundred thirty-one thousand, six hundred ninety-eight".