9748209 has 16 divisors (see below), whose sum is σ = 13280960. Its totient is φ = 6359040.

The previous prime is 9748199. The next prime is 9748213. The reversal of 9748209 is 9028479.

It is not a de Polignac number, because 9748209 - 2¹¹ = 9746161 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 9 + 7⁷ + 4⁶ + 8³ + 2²³ + 0 + 9⁶ .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9748009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40329 + ... + 40569.

It is an arithmetic number, because the mean of its divisors is an integer number (830060).

Almost surely, 2^9748209 is an apocalyptic number.

It is an amenable number.

9748209 is a deficient number, since it is larger than the sum of its proper divisors (3532751).

9748209 is a wasteful number, since it uses less digits than its factorization.

9748209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 9748209 is about 3122.2121965043. The cubic root of 9748209 is about 213.6198523750.

The spelling of 9748209 in words is "nine million, seven hundred forty-eight thousand, two hundred nine".