4244643 has 40 divisors (see below), whose sum is σ = 7114800. Its totient is φ = 2503872.

The previous prime is 4244641. The next prime is 4244663. The reversal of 4244643 is 3464424.

It is not a de Polignac number, because 4244643 - 2¹ = 4244641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4244641) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30468 + ... + 30606.

It is an arithmetic number, because the mean of its divisors is an integer number (177870).

Almost surely, 2^4244643 is an apocalyptic number.

4244643 is a deficient number, since it is larger than the sum of its proper divisors (2870157).

4244643 is a wasteful number, since it uses less digits than its factorization.

4244643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 184 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 4244643 is about 2060.2531397865. The cubic root of 4244643 is about 161.9125041926.

The spelling of 4244643 in words is "four million, two hundred forty-four thousand, six hundred forty-three".