445966 has 8 divisors (see below), whose sum is σ = 690624. Its totient is φ = 215760.

The previous prime is 445943. The next prime is 445967. The reversal of 445966 is 669544.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3535 + ... + 3658.

It is an arithmetic number, because the mean of its divisors is an integer number (86328).

2⁴⁴⁵⁹⁶⁶ is an apocalyptic number.

445966 is a deficient number, since it is larger than the sum of its proper divisors (244658).

445966 is a wasteful number, since it uses less digits than its factorization.

445966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7226.

The product of its digits is 25920, while the sum is 34.

The square root of 445966 is about 667.8068583056. The cubic root of 445966 is about 76.4012709601.

The spelling of 445966 in words is "four hundred forty-five thousand, nine hundred sixty-six".