445946 has 8 divisors (see below), whose sum is σ = 672084. Its totient is φ = 221920.

The previous prime is 445943. The next prime is 445967. The reversal of 445946 is 649544.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 442225 + 3721 = 665^2 + 61^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 445946.

It is not an unprimeable number, because it can be changed into a prime (445943) 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 3 ways as a sum of consecutive naturals, for example, 206 + ... + 966.

2⁴⁴⁵⁹⁴⁶ is an apocalyptic number.

445946 is a deficient number, since it is larger than the sum of its proper divisors (226138).

445946 is a wasteful number, since it uses less digits than its factorization.

445946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056.

The product of its digits is 17280, while the sum is 32.

The square root of 445946 is about 667.7918837482. The cubic root of 445946 is about 76.4001288340.

The spelling of 445946 in words is "four hundred forty-five thousand, nine hundred forty-six".