434591 has 4 divisors (see below), whose sum is σ = 440784. Its totient is φ = 428400.

The previous prime is 434573. The next prime is 434593. The reversal of 434591 is 195434.

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 434591 - 2¹⁴ = 418207 is a prime.

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 434591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434593) 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, 2990 + ... + 3131.

It is an arithmetic number, because the mean of its divisors is an integer number (110196).

2⁴³⁴⁵⁹¹ is an apocalyptic number.

434591 is a deficient number, since it is larger than the sum of its proper divisors (6193).

434591 is an equidigital number, since it uses as much as digits as its factorization.

434591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6192.

The product of its digits is 2160, while the sum is 26.

The square root of 434591 is about 659.2351628971. The cubic root of 434591 is about 75.7460940450.

The spelling of 434591 in words is "four hundred thirty-four thousand, five hundred ninety-one".