8117946 has 12 divisors (see below), whose sum is σ = 17588922. Its totient is φ = 2705976.

The previous prime is 8117933. The next prime is 8117947. The reversal of 8117946 is 6497118.

It can be written as a sum of positive squares in only one way, i.e., 7901721 + 216225 = 2811^2 + 465^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8117946.

It is not an unprimeable number, because it can be changed into a prime (8117947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225481 + ... + 225516.

Almost surely, 2^8117946 is an apocalyptic number.

8117946 is an abundant number, since it is smaller than the sum of its proper divisors (9470976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8117946 is a wasteful number, since it uses less digits than its factorization.

8117946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451005 (or 451002 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 8117946 is about 2849.2009406148. The cubic root of 8117946 is about 200.9780922139.

It can be divided in two parts, 81179 and 46, that added together give a square (81225 = 285²).

The spelling of 8117946 in words is "eight million, one hundred seventeen thousand, nine hundred forty-six".