450446 has 4 divisors (see below), whose sum is σ = 675672. Its totient is φ = 225222.

The previous prime is 450431. The next prime is 450451. The reversal of 450446 is 644054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 450446.

It is an unprimeable number.

450446 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, 112610 + ... + 112613.

It is an arithmetic number, because the mean of its divisors is an integer number (168918).

2⁴⁵⁰⁴⁴⁶ is an apocalyptic number.

450446 is a deficient number, since it is larger than the sum of its proper divisors (225226).

450446 is a wasteful number, since it uses less digits than its factorization.

450446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225225.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 450446 is about 671.1527396949. The cubic root of 450446 is about 76.6562514732.

The spelling of 450446 in words is "four hundred fifty thousand, four hundred forty-six".