430399 has 4 divisors (see below), whose sum is σ = 449136. Its totient is φ = 411664.

The previous prime is 430393. The next prime is 430411. The reversal of 430399 is 993034.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 430399 - 2⁹ = 429887 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 (430393) 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, 9334 + ... + 9379.

It is an arithmetic number, because the mean of its divisors is an integer number (112284).

2⁴³⁰³⁹⁹ is an apocalyptic number.

430399 is a deficient number, since it is larger than the sum of its proper divisors (18737).

430399 is a wasteful number, since it uses less digits than its factorization.

430399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18736.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 430399 is about 656.0480165354. The cubic root of 430399 is about 75.5017615775.

It can be divided in two parts, 4 and 30399, that added together give a palindrome (30403).

The spelling of 430399 in words is "four hundred thirty thousand, three hundred ninety-nine".