434669 has 4 divisors (see below), whose sum is σ = 435996. Its totient is φ = 433344.

The previous prime is 434659. The next prime is 434683. The reversal of 434669 is 966434.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 366025 + 68644 = 605^2 + 262^2 .

It is a cyclic number.

It is not a de Polignac number, because 434669 - 2¹⁶ = 369133 is a prime.

It is a super-2 number, since 2×434669² = 377874279122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434659) 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, 227 + ... + 959.

It is an arithmetic number, because the mean of its divisors is an integer number (108999).

2⁴³⁴⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

434669 is a deficient number, since it is larger than the sum of its proper divisors (1327).

434669 is an equidigital number, since it uses as much as digits as its factorization.

434669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326.

The product of its digits is 15552, while the sum is 32.

The square root of 434669 is about 659.2943197086. The cubic root of 434669 is about 75.7506253874.

The spelling of 434669 in words is "four hundred thirty-four thousand, six hundred sixty-nine".