8190117 has 12 divisors (see below), whose sum is σ = 12740364. Its totient is φ = 5040000.

The previous prime is 8190113. The next prime is 8190131. The reversal of 8190117 is 7110918.

It can be written as a sum of positive squares in 2 ways, for example, as 4186116 + 4004001 = 2046^2 + 2001^2 .

It is not a de Polignac number, because 8190117 - 2² = 8190113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8190113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34884 + ... + 35117.

It is an arithmetic number, because the mean of its divisors is an integer number (1061697).

Almost surely, 2^8190117 is an apocalyptic number.

It is an amenable number.

8190117 is a deficient number, since it is larger than the sum of its proper divisors (4550247).

8190117 is a wasteful number, since it uses less digits than its factorization.

8190117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70020 (or 70017 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 8190117 is about 2861.8380457321. The cubic root of 8190117 is about 201.5719212831.

It can be divided in two parts, 81901 and 17, that added together give a palindrome (81918).

The spelling of 8190117 in words is "eight million, one hundred ninety thousand, one hundred seventeen".