8361109 has 4 divisors (see below), whose sum is σ = 8447404. Its totient is φ = 8274816.

The previous prime is 8361097. The next prime is 8361137. The reversal of 8361109 is 9011638.

It is a happy number.

8361109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1258884 + 7102225 = 1122^2 + 2665^2 .

It is a cyclic number.

It is not a de Polignac number, because 8361109 - 2¹⁷ = 8230037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8361139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43002 + ... + 43195.

It is an arithmetic number, because the mean of its divisors is an integer number (2111851).

Almost surely, 2^8361109 is an apocalyptic number.

It is an amenable number.

8361109 is a deficient number, since it is larger than the sum of its proper divisors (86295).

8361109 is an equidigital number, since it uses as much as digits as its factorization.

8361109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86294.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 8361109 is about 2891.5582304356. The cubic root of 8361109 is about 202.9650663435.

The spelling of 8361109 in words is "eight million, three hundred sixty-one thousand, one hundred nine".