445841828 has 12 divisors (see below), whose sum is σ = 787381980. Its totient is φ = 220875552.

The previous prime is 445841827. The next prime is 445841899. The reversal of 445841828 is 828148544.

It can be written as a sum of positive squares in 2 ways, for example, as 360316324 + 85525504 = 18982^2 + 9248^2 .

It is not an unprimeable number, because it can be changed into a prime (445841827) by changing a digit.

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, 510851 + ... + 511722.

It is an arithmetic number, because the mean of its divisors is an integer number (65615165).

Almost surely, 2^445841828 is an apocalyptic number.

It is an amenable number.

445841828 is a deficient number, since it is larger than the sum of its proper divisors (341540152).

445841828 is a wasteful number, since it uses less digits than its factorization.

445841828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022686 (or 1022684 counting only the distinct ones).

The product of its digits is 327680, while the sum is 44.

The square root of 445841828 is about 21114.9669192258. The cubic root of 445841828 is about 763.9417940361.

The spelling of 445841828 in words is "four hundred forty-five million, eight hundred forty-one thousand, eight hundred twenty-eight".