4247444 has 12 divisors (see below), whose sum is σ = 7499604. Its totient is φ = 2104704.

The previous prime is 4247443. The next prime is 4247447. The reversal of 4247444 is 4447424.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44944 + 4202500 = 212^2 + 2050^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247443) 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, 4247 + ... + 5150.

It is an arithmetic number, because the mean of its divisors is an integer number (624967).

Almost surely, 2^4247444 is an apocalyptic number.

It is an amenable number.

4247444 is a deficient number, since it is larger than the sum of its proper divisors (3252160).

4247444 is a wasteful number, since it uses less digits than its factorization.

4247444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9514 (or 9512 counting only the distinct ones).

The product of its digits is 14336, while the sum is 29.

The square root of 4247444 is about 2060.9327985162. The cubic root of 4247444 is about 161.9481112078.

The spelling of 4247444 in words is "four million, two hundred forty-seven thousand, four hundred forty-four".