445794856 has 16 divisors (see below), whose sum is σ = 900162900. Its totient is φ = 205751424.

The previous prime is 445794847. The next prime is 445794913. The reversal of 445794856 is 658497544.

It can be written as a sum of positive squares in 2 ways, for example, as 438232356 + 7562500 = 20934^2 + 2750^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

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 3 ways as a sum of consecutive naturals, for example, 2143141 + ... + 2143348.

Almost surely, 2^445794856 is an apocalyptic number.

It is an amenable number.

445794856 is an abundant number, since it is smaller than the sum of its proper divisors (454368044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445794856 is a wasteful number, since it uses less digits than its factorization.

445794856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286508 (or 4286504 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 52.

The square root of 445794856 is about 21113.8545983437. The cubic root of 445794856 is about 763.9149645404.

The spelling of 445794856 in words is "four hundred forty-five million, seven hundred ninety-four thousand, eight hundred fifty-six".