431443 has 8 divisors (see below), whose sum is σ = 468720. Its totient is φ = 395520.

The previous prime is 431441. The next prime is 431447. The reversal of 431443 is 344134.

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

It is a cyclic number.

It is not a de Polignac number, because 431443 - 2¹ = 431441 is a prime.

It is a super-2 number, since 2×431443² = 372286124498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 431443.

It is not an unprimeable number, because it can be changed into a prime (431441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388 + ... + 1006.

It is an arithmetic number, because the mean of its divisors is an integer number (58590).

2⁴³¹⁴⁴³ is an apocalyptic number.

431443 is a deficient number, since it is larger than the sum of its proper divisors (37277).

431443 is a wasteful number, since it uses less digits than its factorization.

431443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677.

The product of its digits is 576, while the sum is 19.

The square root of 431443 is about 656.8432080794. The cubic root of 431443 is about 75.5627593894.

Adding to 431443 its reverse (344134), we get a palindrome (775577).

The spelling of 431443 in words is "four hundred thirty-one thousand, four hundred forty-three".