444660 has 24 divisors (see below), whose sum is σ = 1245216. Its totient is φ = 118560.

The previous prime is 444649. The next prime is 444671. The reversal of 444660 is 66444.

It is an interprime number because it is at equal distance from previous prime (444649) and next prime (444671).

It is a self number, because there is not a number n which added to its sum of digits gives 444660.

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 444660.

It is an unprimeable number.

444660 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, 3646 + ... + 3765.

It is an arithmetic number, because the mean of its divisors is an integer number (51884).

2⁴⁴⁴⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

444660 is an abundant number, since it is smaller than the sum of its proper divisors (800556).

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

444660 is a wasteful number, since it uses less digits than its factorization.

444660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7423 (or 7421 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 444660 is about 666.8283137360. The cubic root of 444660 is about 76.3266183186.

The spelling of 444660 in words is "four hundred forty-four thousand, six hundred sixty".