47244 has 24 divisors (see below), whose sum is σ = 114688. Its totient is φ = 15120.

The previous prime is 47237. The next prime is 47251. The reversal of 47244 is 44274.

47244 = 23² + 24² + ... + 53².

It is an interprime number because it is at equal distance from previous prime (47237) and next prime (47251).

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 47244.

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 47244.

It is an unprimeable number.

47244 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309 + ... + 435.

2⁴⁷²⁴⁴ is an apocalyptic number.

It is an amenable number.

47244 is an abundant number, since it is smaller than the sum of its proper divisors (67444).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57344).

47244 is a wasteful number, since it uses less digits than its factorization.

47244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 163 counting only the distinct ones).

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

The square root of 47244 is about 217.3568494435. The cubic root of 47244 is about 36.1506036488.

The spelling of 47244 in words is "forty-seven thousand, two hundred forty-four", and thus it is an iban number.