8459109 has 6 divisors (see below), whose sum is σ = 12218726. Its totient is φ = 5639400.

The previous prime is 8459093. The next prime is 8459119. The reversal of 8459109 is 9019548.

It can be written as a sum of positive squares in only one way, i.e., 6200100 + 2259009 = 2490^2 + 1503^2 .

It is not a de Polignac number, because 8459109 - 2⁴ = 8459093 is a prime.

It is a super-3 number, since 3×8459109³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8459119) 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, 469942 + ... + 469959.

Almost surely, 2^8459109 is an apocalyptic number.

It is an amenable number.

8459109 is a deficient number, since it is larger than the sum of its proper divisors (3759617).

8459109 is a wasteful number, since it uses less digits than its factorization.

8459109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939907 (or 939904 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 8459109 is about 2908.4547443617. The cubic root of 8459109 is about 203.7549682003.

The spelling of 8459109 in words is "eight million, four hundred fifty-nine thousand, one hundred nine".