444247 has 4 divisors (see below), whose sum is σ = 450576. Its totient is φ = 437920.

The previous prime is 444209. The next prime is 444253. The reversal of 444247 is 742444.

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

It is a cyclic number.

It is not a de Polignac number, because 444247 - 2¹⁵ = 411479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444287) 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, 3058 + ... + 3199.

It is an arithmetic number, because the mean of its divisors is an integer number (112644).

2⁴⁴⁴²⁴⁷ is an apocalyptic number.

444247 is a deficient number, since it is larger than the sum of its proper divisors (6329).

444247 is an equidigital number, since it uses as much as digits as its factorization.

444247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6328.

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

The square root of 444247 is about 666.5185668832. The cubic root of 444247 is about 76.3029802896.

It can be divided in two parts, 4442 and 47, that added together give a square (4489 = 67²).

The spelling of 444247 in words is "four hundred forty-four thousand, two hundred forty-seven", and thus it is an iban number.