9748987 has 4 divisors (see below), whose sum is σ = 10172880. Its totient is φ = 9325096.

The previous prime is 9748967. The next prime is 9748993. The reversal of 9748987 is 7898479.

It is a happy number.

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 9748987 - 2⁷ = 9748859 is a prime.

It is a Duffinian number.

9748987 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9748927) 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 3 ways as a sum of consecutive naturals, for example, 211912 + ... + 211957.

It is an arithmetic number, because the mean of its divisors is an integer number (2543220).

Almost surely, 2^9748987 is an apocalyptic number.

9748987 is a deficient number, since it is larger than the sum of its proper divisors (423893).

9748987 is a wasteful number, since it uses less digits than its factorization.

9748987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423892.

The product of its digits is 1016064, while the sum is 52.

The square root of 9748987 is about 3122.3367851659. The cubic root of 9748987 is about 213.6255351906.

It can be divided in two parts, 974898 and 7, that multiplied together give a palindrome (6824286).

The spelling of 9748987 in words is "nine million, seven hundred forty-eight thousand, nine hundred eighty-seven".