9748509 has 8 divisors (see below), whose sum is σ = 13093440. Its totient is φ = 6451296.

The previous prime is 9748469. The next prime is 9748537. The reversal of 9748509 is 9058479.

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

It is not a de Polignac number, because 9748509 - 2⁷ = 9748381 is a prime.

9748509 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9748549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11449 + ... + 12270.

It is an arithmetic number, because the mean of its divisors is an integer number (1636680).

Almost surely, 2^9748509 is an apocalyptic number.

It is an amenable number.

9748509 is a deficient number, since it is larger than the sum of its proper divisors (3344931).

9748509 is a wasteful number, since it uses less digits than its factorization.

9748509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23859.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 9748509 is about 3122.2602389935. The cubic root of 9748509 is about 213.6220437279.

The spelling of 9748509 in words is "nine million, seven hundred forty-eight thousand, five hundred nine".