8969986 has 4 divisors (see below), whose sum is σ = 13454982. Its totient is φ = 4484992.

The previous prime is 8969971. The next prime is 8969993. The reversal of 8969986 is 6899698.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7187761 + 1782225 = 2681^2 + 1335^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2242495 + ... + 2242498.

Almost surely, 2^8969986 is an apocalyptic number.

8969986 is a deficient number, since it is larger than the sum of its proper divisors (4484996).

8969986 is a wasteful number, since it uses less digits than its factorization.

8969986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484995.

The product of its digits is 1679616, while the sum is 55.

The square root of 8969986 is about 2994.9934891415. The cubic root of 8969986 is about 207.7768965067.

The spelling of 8969986 in words is "eight million, nine hundred sixty-nine thousand, nine hundred eighty-six".