431199 has 6 divisors (see below), whose sum is σ = 622856. Its totient is φ = 287460.

The previous prime is 431191. The next prime is 431203. The reversal of 431199 is 991134.

It is not a de Polignac number, because 431199 - 2³ = 431191 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 (431191) 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 5 ways as a sum of consecutive naturals, for example, 23947 + ... + 23964.

2⁴³¹¹⁹⁹ is an apocalyptic number.

431199 is a deficient number, since it is larger than the sum of its proper divisors (191657).

431199 is a wasteful number, since it uses less digits than its factorization.

431199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47917 (or 47914 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 431199 is about 656.6574449437. The cubic root of 431199 is about 75.5485120148.

It can be divided in two parts, 431 and 199, that added together give a triangular number (630 = T₃₅).

The spelling of 431199 in words is "four hundred thirty-one thousand, one hundred ninety-nine".