450628 has 6 divisors (see below), whose sum is σ = 788606. Its totient is φ = 225312.

The previous prime is 450617. The next prime is 450641. The reversal of 450628 is 826054.

It can be written as a sum of positive squares in only one way, i.e., 304704 + 145924 = 552^2 + 382^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56325 + ... + 56332.

2⁴⁵⁰⁶²⁸ is an apocalyptic number.

It is an amenable number.

450628 is a deficient number, since it is larger than the sum of its proper divisors (337978).

450628 is a wasteful number, since it uses less digits than its factorization.

450628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112661 (or 112659 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 450628 is about 671.2883136179. The cubic root of 450628 is about 76.6665742490. Note that the first 3 decimals are identical.

The spelling of 450628 in words is "four hundred fifty thousand, six hundred twenty-eight".