8909115 has 16 divisors (see below), whose sum is σ = 14388000. Its totient is φ = 4707072.

The previous prime is 8909101. The next prime is 8909143. The reversal of 8909115 is 5119098.

It is not a de Polignac number, because 8909115 - 2⁴ = 8909099 is a prime.

8909115 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1090 + ... + 4359.

It is an arithmetic number, because the mean of its divisors is an integer number (899250).

Almost surely, 2^8909115 is an apocalyptic number.

8909115 is a deficient number, since it is larger than the sum of its proper divisors (5478885).

8909115 is a wasteful number, since it uses less digits than its factorization.

8909115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5566.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 8909115 is about 2984.8140645608. The cubic root of 8909115 is about 207.3058327847.

The spelling of 8909115 in words is "eight million, nine hundred nine thousand, one hundred fifteen".