9704987 has 4 divisors (see below), whose sum is σ = 9941736. Its totient is φ = 9468240.

The previous prime is 9704957. The next prime is 9705001. The reversal of 9704987 is 7894079.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7894079 = 179 ⋅44101.

It is a cyclic number.

It is not a de Polignac number, because 9704987 - 2⁶ = 9704923 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (9704957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118313 + ... + 118394.

It is an arithmetic number, because the mean of its divisors is an integer number (2485434).

Almost surely, 2^9704987 is an apocalyptic number.

9704987 is a deficient number, since it is larger than the sum of its proper divisors (236749).

9704987 is a wasteful number, since it uses less digits than its factorization.

9704987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236748.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 9704987 is about 3115.2828122018. The cubic root of 9704987 is about 213.3036658506.

The spelling of 9704987 in words is "nine million, seven hundred four thousand, nine hundred eighty-seven".