444147 has 16 divisors (see below), whose sum is σ = 663168. Its totient is φ = 262080.

The previous prime is 444131. The next prime is 444151. The reversal of 444147 is 741444.

It is not a de Polignac number, because 444147 - 2⁴ = 444131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (444127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1263 + ... + 1575.

It is an arithmetic number, because the mean of its divisors is an integer number (41448).

2⁴⁴⁴¹⁴⁷ is an apocalyptic number.

444147 is a deficient number, since it is larger than the sum of its proper divisors (219021).

444147 is a wasteful number, since it uses less digits than its factorization.

444147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370.

The product of its digits is 1792, while the sum is 24.

The square root of 444147 is about 666.4435459962. The cubic root of 444147 is about 76.2972545930.

The spelling of 444147 in words is "four hundred forty-four thousand, one hundred forty-seven", and thus it is an iban number.