8996987 has 4 divisors (see below), whose sum is σ = 9009840. Its totient is φ = 8984136.

The previous prime is 8996983. The next prime is 8996993. The reversal of 8996987 is 7896998.

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

It is a cyclic number.

It is not a de Polignac number, because 8996987 - 2² = 8996983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8996983) by changing a digit.

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, 5312 + ... + 6797.

It is an arithmetic number, because the mean of its divisors is an integer number (2252460).

Almost surely, 2^8996987 is an apocalyptic number.

8996987 is a deficient number, since it is larger than the sum of its proper divisors (12853).

8996987 is a wasteful number, since it uses less digits than its factorization.

8996987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12852.

The product of its digits is 1959552, while the sum is 56.

The square root of 8996987 is about 2999.4977912977. The cubic root of 8996987 is about 207.9851675197.

The spelling of 8996987 in words is "eight million, nine hundred ninety-six thousand, nine hundred eighty-seven".