445726 has 4 divisors (see below), whose sum is σ = 668592. Its totient is φ = 222862.

The previous prime is 445703. The next prime is 445741. The reversal of 445726 is 627544.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 445694 and 445703.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 111430 + ... + 111433.

It is an arithmetic number, because the mean of its divisors is an integer number (167148).

2⁴⁴⁵⁷²⁶ is an apocalyptic number.

445726 is a deficient number, since it is larger than the sum of its proper divisors (222866).

445726 is a wasteful number, since it uses less digits than its factorization.

445726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222865.

The product of its digits is 6720, while the sum is 28.

The square root of 445726 is about 667.6271414495. The cubic root of 445726 is about 76.3875631922.

The spelling of 445726 in words is "four hundred forty-five thousand, seven hundred twenty-six".