8455109 has 8 divisors (see below), whose sum is σ = 9128952. Its totient is φ = 7784640.

The previous prime is 8455093. The next prime is 8455121. The reversal of 8455109 is 9015548.

It can be written as a sum of positive squares in 4 ways, for example, as 62500 + 8392609 = 250^2 + 2897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8455109 - 2⁴ = 8455093 is a prime.

It is a super-3 number, since 3×8455109³ (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 (8455169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7439 + ... + 8499.

It is an arithmetic number, because the mean of its divisors is an integer number (1141119).

Almost surely, 2^8455109 is an apocalyptic number.

It is an amenable number.

8455109 is a deficient number, since it is larger than the sum of its proper divisors (673843).

8455109 is a wasteful number, since it uses less digits than its factorization.

8455109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 8455109 is about 2907.7670126748. The cubic root of 8455109 is about 203.7228470723.

The spelling of 8455109 in words is "eight million, four hundred fifty-five thousand, one hundred nine".