434506 has 4 divisors (see below), whose sum is σ = 651762. Its totient is φ = 217252.

The previous prime is 434501. The next prime is 434509. The reversal of 434506 is 605434.

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

It can be written as a sum of positive squares in only one way, i.e., 434281 + 225 = 659^2 + 15^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (434501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108625 + ... + 108628.

2⁴³⁴⁵⁰⁶ is an apocalyptic number.

434506 is a deficient number, since it is larger than the sum of its proper divisors (217256).

434506 is a wasteful number, since it uses less digits than its factorization.

434506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217255.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 434506 is about 659.1706910960. The cubic root of 434506 is about 75.7411554262.

The spelling of 434506 in words is "four hundred thirty-four thousand, five hundred six".