450685 has 8 divisors (see below), whose sum is σ = 564480. Its totient is φ = 344784.

The previous prime is 450677. The next prime is 450691. The reversal of 450685 is 586054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450685 - 2³ = 450677 is a prime.

450685 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1845 + ... + 2074.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

2⁴⁵⁰⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

450685 is a deficient number, since it is larger than the sum of its proper divisors (113795).

450685 is a wasteful number, since it uses less digits than its factorization.

450685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 450685 is about 671.3307679527. The cubic root of 450685 is about 76.6698066347.

The spelling of 450685 in words is "four hundred fifty thousand, six hundred eighty-five".