9948109 has 2 divisors, whose sum is σ = 9948110. Its totient is φ = 9948108.

The previous prime is 9948101. The next prime is 9948137. The reversal of 9948109 is 9018499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5745609 + 4202500 = 2397^2 + 2050^2 .

It is a cyclic number.

It is not a de Polignac number, because 9948109 - 2³ = 9948101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9948101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4974054 + 4974055.

It is an arithmetic number, because the mean of its divisors is an integer number (4974055).

Almost surely, 2^9948109 is an apocalyptic number.

It is an amenable number.

9948109 is a deficient number, since it is larger than the sum of its proper divisors (1).

9948109 is an equidigital number, since it uses as much as digits as its factorization.

9948109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 9948109 is about 3154.0623012236. The cubic root of 9948109 is about 215.0701699930.

The spelling of 9948109 in words is "nine million, nine hundred forty-eight thousand, one hundred nine".