444380 has 24 divisors (see below), whose sum is σ = 988848. Its totient is φ = 167168.

The previous prime is 444349. The next prime is 444401. The reversal of 444380 is 83444.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 444380.

It is an unprimeable number.

444380 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314 + ... + 993.

It is an arithmetic number, because the mean of its divisors is an integer number (41202).

2⁴⁴⁴³⁸⁰ is an apocalyptic number.

It is an amenable number.

444380 is an abundant number, since it is smaller than the sum of its proper divisors (544468).

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

444380 is a wasteful number, since it uses less digits than its factorization.

444380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 444380 is about 666.6183315811. The cubic root of 444380 is about 76.3105941349.

The spelling of 444380 in words is "four hundred forty-four thousand, three hundred eighty".