445944886 has 16 divisors (see below), whose sum is σ = 676394784. Its totient is φ = 220486464.

The previous prime is 445944881. The next prime is 445944887. The reversal of 445944886 is 688449544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445944881) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 207610 + ... + 209746.

It is an arithmetic number, because the mean of its divisors is an integer number (42274674).

Almost surely, 2^445944886 is an apocalyptic number.

445944886 is a deficient number, since it is larger than the sum of its proper divisors (230449898).

445944886 is a wasteful number, since it uses less digits than its factorization.

445944886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255.

The product of its digits is 4423680, while the sum is 52.

The square root of 445944886 is about 21117.4071798599. The cubic root of 445944886 is about 764.0006521654. Note that the first 3 decimals are identical.

The spelling of 445944886 in words is "four hundred forty-five million, nine hundred forty-four thousand, eight hundred eighty-six".