445856 has 12 divisors (see below), whose sum is σ = 877842. Its totient is φ = 222912.

The previous prime is 445853. The next prime is 445871. The reversal of 445856 is 658544.

It can be written as a sum of positive squares in only one way, i.e., 234256 + 211600 = 484^2 + 460^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 13933 = 445856 / (4 + 4 + 5 + 8 + 5 + 6).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 445856.

It is not an unprimeable number, because it can be changed into a prime (445853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6935 + ... + 6998.

2⁴⁴⁵⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

445856 is a deficient number, since it is larger than the sum of its proper divisors (431986).

445856 is a wasteful number, since it uses less digits than its factorization.

445856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13943 (or 13935 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 445856 is about 667.7244940842. The cubic root of 445856 is about 76.3949888438.

The spelling of 445856 in words is "four hundred forty-five thousand, eight hundred fifty-six".