4444624 has 10 divisors (see below), whose sum is σ = 8611490. Its totient is φ = 2222304.

The previous prime is 4444621. The next prime is 4444639. The reversal of 4444624 is 4264444.

It can be written as a sum of positive squares in only one way, i.e., 4161600 + 283024 = 2040^2 + 532^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4444592 and 4444601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138879 + ... + 138910.

It is an arithmetic number, because the mean of its divisors is an integer number (861149).

Almost surely, 2^4444624 is an apocalyptic number.

It is an amenable number.

4444624 is a deficient number, since it is larger than the sum of its proper divisors (4166866).

4444624 is a wasteful number, since it uses less digits than its factorization.

4444624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277797 (or 277791 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 4444624 is about 2108.2276916880. The cubic root of 4444624 is about 164.4163523693.

The spelling of 4444624 in words is "four million, four hundred forty-four thousand, six hundred twenty-four".