445964 has 6 divisors (see below), whose sum is σ = 780444. Its totient is φ = 222980.

The previous prime is 445943. The next prime is 445967. The reversal of 445964 is 469544.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 445964.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 445964.

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 as a sum of consecutive naturals, namely, 55742 + ... + 55749.

It is an arithmetic number, because the mean of its divisors is an integer number (130074).

2⁴⁴⁵⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

445964 is a deficient number, since it is larger than the sum of its proper divisors (334480).

445964 is a wasteful number, since it uses less digits than its factorization.

445964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111495 (or 111493 counting only the distinct ones).

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

The square root of 445964 is about 667.8053608650. The cubic root of 445964 is about 76.4011567490.

The spelling of 445964 in words is "four hundred forty-five thousand, nine hundred sixty-four".