450284 has 6 divisors (see below), whose sum is σ = 788004. Its totient is φ = 225140.

The previous prime is 450277. The next prime is 450287. The reversal of 450284 is 482054.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (450287) by changing a digit.

450284 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56282 + ... + 56289.

It is an arithmetic number, because the mean of its divisors is an integer number (131334).

2⁴⁵⁰²⁸⁴ is an apocalyptic number.

It is an amenable number.

450284 is a deficient number, since it is larger than the sum of its proper divisors (337720).

450284 is a wasteful number, since it uses less digits than its factorization.

450284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112575 (or 112573 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 450284 is about 671.0320409638. The cubic root of 450284 is about 76.6470607291.

The spelling of 450284 in words is "four hundred fifty thousand, two hundred eighty-four".