108932309 has 2 divisors, whose sum is σ = 108932310. Its totient is φ = 108932308.

The previous prime is 108932297. The next prime is 108932363. The reversal of 108932309 is 903239801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91107025 + 17825284 = 9545^2 + 4222^2 .

It is a cyclic number.

It is not a de Polignac number, because 108932309 - 2⁴ = 108932293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108931309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54466154 + 54466155.

It is an arithmetic number, because the mean of its divisors is an integer number (54466155).

Almost surely, 2^108932309 is an apocalyptic number.

It is an amenable number.

108932309 is a deficient number, since it is larger than the sum of its proper divisors (1).

108932309 is an equidigital number, since it uses as much as digits as its factorization.

108932309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 108932309 is about 10437.0641944945. The cubic root of 108932309 is about 477.5867137823.

The spelling of 108932309 in words is "one hundred eight million, nine hundred thirty-two thousand, three hundred nine".