434403 has 20 divisors (see below), whose sum is σ = 673728. Its totient is φ = 278640.

The previous prime is 434389. The next prime is 434407. The reversal of 434403 is 304434.

434403 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 434403 - 2⁴ = 434387 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (434407) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2425 + ... + 2597.

2⁴³⁴⁴⁰³ is an apocalyptic number.

434403 is a deficient number, since it is larger than the sum of its proper divisors (239325).

434403 is a wasteful number, since it uses less digits than its factorization.

434403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 434403 is about 659.0925579917. The cubic root of 434403 is about 75.7351701191.

Adding to 434403 its reverse (304434), we get a palindrome (738837).

The spelling of 434403 in words is "four hundred thirty-four thousand, four hundred three".