4247144 has 48 divisors (see below), whose sum is σ = 9283680. Its totient is φ = 1806080.

The previous prime is 4247129. The next prime is 4247147. The reversal of 4247144 is 4417424.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25349 + ... + 25515.

It is an arithmetic number, because the mean of its divisors is an integer number (193410).

Almost surely, 2^4247144 is an apocalyptic number.

4247144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4247144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4641840).

4247144 is an abundant number, since it is smaller than the sum of its proper divisors (5036536).

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

4247144 is a wasteful number, since it uses less digits than its factorization.

4247144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 197 counting only the distinct ones).

The product of its digits is 3584, while the sum is 26.

The square root of 4247144 is about 2060.8600146541. The cubic root of 4247144 is about 161.9442982811.

The spelling of 4247144 in words is "four million, two hundred forty-seven thousand, one hundred forty-four".