444986 has 4 divisors (see below), whose sum is σ = 667482. Its totient is φ = 222492.

The previous prime is 444979. The next prime is 445001. The reversal of 444986 is 689444.

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

It can be written as a sum of positive squares in only one way, i.e., 366025 + 78961 = 605^2 + 281^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111245 + ... + 111248.

2⁴⁴⁴⁹⁸⁶ is an apocalyptic number.

444986 is a deficient number, since it is larger than the sum of its proper divisors (222496).

444986 is a wasteful number, since it uses less digits than its factorization.

444986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222495.

The product of its digits is 27648, while the sum is 35.

The square root of 444986 is about 667.0727096801. The cubic root of 444986 is about 76.3452665736.

The spelling of 444986 in words is "four hundred forty-four thousand, nine hundred eighty-six".