8997686 has 8 divisors (see below), whose sum is σ = 13630464. Its totient is φ = 4454200.

The previous prime is 8997671. The next prime is 8997701. The reversal of 8997686 is 6867998.

It is an interprime number because it is at equal distance from previous prime (8997671) and next prime (8997701).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22070 + ... + 22473.

It is an arithmetic number, because the mean of its divisors is an integer number (1703808).

Almost surely, 2^8997686 is an apocalyptic number.

8997686 is a deficient number, since it is larger than the sum of its proper divisors (4632778).

8997686 is a wasteful number, since it uses less digits than its factorization.

8997686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44646.

The product of its digits is 1306368, while the sum is 53.

The square root of 8997686 is about 2999.6143085403. The cubic root of 8997686 is about 207.9905536884.

The spelling of 8997686 in words is "eight million, nine hundred ninety-seven thousand, six hundred eighty-six".