444436 has 6 divisors (see below), whose sum is σ = 777770. Its totient is φ = 222216.

The previous prime is 444421. The next prime is 444443. The reversal of 444436 is 634444.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 435600 + 8836 = 660^2 + 94^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 444436.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55551 + ... + 55558.

2⁴⁴⁴⁴³⁶ is an apocalyptic number.

It is an amenable number.

444436 is a deficient number, since it is larger than the sum of its proper divisors (333334).

444436 is a wasteful number, since it uses less digits than its factorization.

444436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111113 (or 111111 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 444436 is about 666.6603333032. The cubic root of 444436 is about 76.3137995100.

The spelling of 444436 in words is "four hundred forty-four thousand, four hundred thirty-six".