8919117 has 12 divisors (see below), whose sum is σ = 12970464. Its totient is φ = 5905800.

The previous prime is 8919077. The next prime is 8919121. The reversal of 8919117 is 7119198.

It is not a de Polignac number, because 8919117 - 2⁷ = 8918989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8919167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1923 + ... + 4640.

It is an arithmetic number, because the mean of its divisors is an integer number (1080872).

Almost surely, 2^8919117 is an apocalyptic number.

It is an amenable number.

8919117 is a deficient number, since it is larger than the sum of its proper divisors (4051347).

8919117 is a wasteful number, since it uses less digits than its factorization.

8919117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6720 (or 6717 counting only the distinct ones).

The product of its digits is 4536, while the sum is 36.

The square root of 8919117 is about 2986.4890758213. The cubic root of 8919117 is about 207.3833824807.

The spelling of 8919117 in words is "eight million, nine hundred nineteen thousand, one hundred seventeen".