8494109 has 6 divisors (see below), whose sum is σ = 9197946. Its totient is φ = 7840560.

The previous prime is 8494099. The next prime is 8494133. The reversal of 8494109 is 9014948.

It can be written as a sum of positive squares in 3 ways, for example, as 228484 + 8265625 = 478^2 + 2875^2 .

It is not a de Polignac number, because 8494109 - 2⁸ = 8493853 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 (8494139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24962 + ... + 25299.

It is an arithmetic number, because the mean of its divisors is an integer number (1532991).

Almost surely, 2^8494109 is an apocalyptic number.

It is an amenable number.

8494109 is a deficient number, since it is larger than the sum of its proper divisors (703837).

8494109 is a wasteful number, since it uses less digits than its factorization.

8494109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50287 (or 50274 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 8494109 is about 2914.4654741479. The cubic root of 8494109 is about 204.0355970817.

The spelling of 8494109 in words is "eight million, four hundred ninety-four thousand, one hundred nine".