44247 has 16 divisors (see below), whose sum is σ = 70400. Its totient is φ = 24696.

The previous prime is 44221. The next prime is 44249. The reversal of 44247 is 74244.

It is not a de Polignac number, because 44247 - 2⁷ = 44119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44249) 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, 1008 + ... + 1050.

It is an arithmetic number, because the mean of its divisors is an integer number (4400).

2⁴⁴²⁴⁷ is an apocalyptic number.

44247 is a deficient number, since it is larger than the sum of its proper divisors (26153).

44247 is an equidigital number, since it uses as much as digits as its factorization.

44247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 53 counting only the distinct ones).

The product of its digits is 896, while the sum is 21.

The square root of 44247 is about 210.3497088184. The cubic root of 44247 is about 35.3694204305.

The spelling of 44247 in words is "forty-four thousand, two hundred forty-seven", and thus it is an iban number.