450638 has 8 divisors (see below), whose sum is σ = 681240. Its totient is φ = 223560.

The previous prime is 450617. The next prime is 450641. The reversal of 450638 is 836054.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533 + ... + 1088.

It is an arithmetic number, because the mean of its divisors is an integer number (85155).

2⁴⁵⁰⁶³⁸ is an apocalyptic number.

450638 is a deficient number, since it is larger than the sum of its proper divisors (230602).

450638 is a wasteful number, since it uses less digits than its factorization.

450638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 450638 is about 671.2957619410. The cubic root of 450638 is about 76.6671413539.

The spelling of 450638 in words is "four hundred fifty thousand, six hundred thirty-eight".