8621944 has 8 divisors (see below), whose sum is σ = 16166160. Its totient is φ = 4310968.

The previous prime is 8621939. The next prime is 8621947. The reversal of 8621944 is 4491268.

8621944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8621947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538864 + ... + 538879.

It is an arithmetic number, because the mean of its divisors is an integer number (2020770).

Almost surely, 2^8621944 is an apocalyptic number.

It is an amenable number.

8621944 is a deficient number, since it is larger than the sum of its proper divisors (7544216).

8621944 is a wasteful number, since it uses less digits than its factorization.

8621944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077749 (or 1077745 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 8621944 is about 2936.3146970310. The cubic root of 8621944 is about 205.0540725892.

The spelling of 8621944 in words is "eight million, six hundred twenty-one thousand, nine hundred forty-four".