8899966 has 4 divisors (see below), whose sum is σ = 13349952. Its totient is φ = 4449982.

The previous prime is 8899949. The next prime is 8899987. The reversal of 8899966 is 6699988.

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

It is an Ulam number.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2224990 + ... + 2224993.

It is an arithmetic number, because the mean of its divisors is an integer number (3337488).

Almost surely, 2^8899966 is an apocalyptic number.

8899966 is a deficient number, since it is larger than the sum of its proper divisors (4449986).

8899966 is a wasteful number, since it uses less digits than its factorization.

8899966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449985.

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

The square root of 8899966 is about 2983.2810796169. The cubic root of 8899966 is about 207.2348459107.

The spelling of 8899966 in words is "eight million, eight hundred ninety-nine thousand, nine hundred sixty-six".