444427 has 4 divisors (see below), whose sum is σ = 446040. Its totient is φ = 442816.

The previous prime is 444421. The next prime is 444443. The reversal of 444427 is 724444.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277 + ... + 982.

It is an arithmetic number, because the mean of its divisors is an integer number (111510).

2⁴⁴⁴⁴²⁷ is an apocalyptic number.

444427 is a deficient number, since it is larger than the sum of its proper divisors (1613).

444427 is a wasteful number, since it uses less digits than its factorization.

444427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612.

The product of its digits is 3584, while the sum is 25.

The square root of 444427 is about 666.6535832050. The cubic root of 444427 is about 76.3132843786.

The spelling of 444427 in words is "four hundred forty-four thousand, four hundred twenty-seven", and thus it is an iban number.