431293 has 4 divisors (see below), whose sum is σ = 432928. Its totient is φ = 429660.

The previous prime is 431287. The next prime is 431297. The reversal of 431293 is 392134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 431293 - 2¹⁷ = 300221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321 + ... + 982.

It is an arithmetic number, because the mean of its divisors is an integer number (108232).

2⁴³¹²⁹³ is an apocalyptic number.

It is an amenable number.

431293 is a deficient number, since it is larger than the sum of its proper divisors (1635).

431293 is a wasteful number, since it uses less digits than its factorization.

431293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634.

The product of its digits is 648, while the sum is 22.

The square root of 431293 is about 656.7290156526. The cubic root of 431293 is about 75.5540013938.

The spelling of 431293 in words is "four hundred thirty-one thousand, two hundred ninety-three".