8917966 has 4 divisors (see below), whose sum is σ = 13376952. Its totient is φ = 4458982.

The previous prime is 8917963. The next prime is 8917991. The reversal of 8917966 is 6697198.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6697198 = 2 ⋅3348599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8917963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2229490 + ... + 2229493.

It is an arithmetic number, because the mean of its divisors is an integer number (3344238).

Almost surely, 2^8917966 is an apocalyptic number.

8917966 is a deficient number, since it is larger than the sum of its proper divisors (4458986).

8917966 is a wasteful number, since it uses less digits than its factorization.

8917966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458985.

The product of its digits is 163296, while the sum is 46.

The square root of 8917966 is about 2986.2963684136. The cubic root of 8917966 is about 207.3744612485.

The spelling of 8917966 in words is "eight million, nine hundred seventeen thousand, nine hundred sixty-six".