9656987 has 8 divisors (see below), whose sum is σ = 10118304. Its totient is φ = 9199168.

The previous prime is 9656981. The next prime is 9657001. The reversal of 9656987 is 7896569.

9656987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9656987 - 2¹⁸ = 9394843 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9656981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6023 + ... + 7455.

It is an arithmetic number, because the mean of its divisors is an integer number (1264788).

Almost surely, 2^9656987 is an apocalyptic number.

9656987 is a deficient number, since it is larger than the sum of its proper divisors (461317).

9656987 is a wasteful number, since it uses less digits than its factorization.

9656987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749.

The product of its digits is 816480, while the sum is 50.

The square root of 9656987 is about 3107.5693073526. The cubic root of 9656987 is about 212.9514241907.

The spelling of 9656987 in words is "nine million, six hundred fifty-six thousand, nine hundred eighty-seven".