8117944 has 8 divisors (see below), whose sum is σ = 15221160. Its totient is φ = 4058968.

The previous prime is 8117933. The next prime is 8117947. The reversal of 8117944 is 4497118.

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 (8117947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507364 + ... + 507379.

It is an arithmetic number, because the mean of its divisors is an integer number (1902645).

Almost surely, 2^8117944 is an apocalyptic number.

It is an amenable number.

8117944 is a deficient number, since it is larger than the sum of its proper divisors (7103216).

8117944 is a wasteful number, since it uses less digits than its factorization.

8117944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014749 (or 1014745 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

The square root of 8117944 is about 2849.2005896391. The cubic root of 8117944 is about 200.9780757090.

The spelling of 8117944 in words is "eight million, one hundred seventeen thousand, nine hundred forty-four".