450598646 has 4 divisors (see below), whose sum is σ = 675897972. Its totient is φ = 225299322.

The previous prime is 450598639. The next prime is 450598649. The reversal of 450598646 is 646895054.

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

It is a self number, because there is not a number n which added to its sum of digits gives 450598646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450598649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112649660 + ... + 112649663.

It is an arithmetic number, because the mean of its divisors is an integer number (168974493).

Almost surely, 2^450598646 is an apocalyptic number.

450598646 is a deficient number, since it is larger than the sum of its proper divisors (225299326).

450598646 is a wasteful number, since it uses less digits than its factorization.

450598646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225299325.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The square root of 450598646 is about 21227.3089674598. The cubic root of 450598646 is about 766.6490952074.

The spelling of 450598646 in words is "four hundred fifty million, five hundred ninety-eight thousand, six hundred forty-six".