450434 has 4 divisors (see below), whose sum is σ = 675654. Its totient is φ = 225216.

The previous prime is 450431. The next prime is 450451. The reversal of 450434 is 434054.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434054 = 2 ⋅217027.

It can be written as a sum of positive squares in only one way, i.e., 426409 + 24025 = 653^2 + 155^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (450431) 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 as a sum of consecutive naturals, namely, 112607 + ... + 112610.

2⁴⁵⁰⁴³⁴ is an apocalyptic number.

450434 is a deficient number, since it is larger than the sum of its proper divisors (225220).

450434 is a wasteful number, since it uses less digits than its factorization.

450434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225219.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 450434 is about 671.1437997926. The cubic root of 450434 is about 76.6555707529.

Adding to 450434 its reverse (434054), we get a palindrome (884488).

The spelling of 450434 in words is "four hundred fifty thousand, four hundred thirty-four".