444388 has 24 divisors (see below), whose sum is σ = 907200. Its totient is φ = 186528.

The previous prime is 444349. The next prime is 444401. The reversal of 444388 is 883444.

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 in 7 ways as a sum of consecutive naturals, for example, 1518 + ... + 1786.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2⁴⁴⁴³⁸⁸ is an apocalyptic number.

It is an amenable number.

444388 is an abundant number, since it is smaller than the sum of its proper divisors (462812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444388 is a wasteful number, since it uses less digits than its factorization.

444388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 337 counting only the distinct ones).

The product of its digits is 12288, while the sum is 31.

The square root of 444388 is about 666.6243319892. The cubic root of 444388 is about 76.3110520621.

The spelling of 444388 in words is "four hundred forty-four thousand, three hundred eighty-eight".