108840449 has 2 divisors, whose sum is σ = 108840450. Its totient is φ = 108840448.

The previous prime is 108840343. The next prime is 108840469. The reversal of 108840449 is 944048801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103388224 + 5452225 = 10168^2 + 2335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108840449 is a prime.

It is not a weakly prime, because it can be changed into another prime (108840469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54420224 + 54420225.

It is an arithmetic number, because the mean of its divisors is an integer number (54420225).

Almost surely, 2^108840449 is an apocalyptic number.

It is an amenable number.

108840449 is a deficient number, since it is larger than the sum of its proper divisors (1).

108840449 is an equidigital number, since it uses as much as digits as its factorization.

108840449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 108840449 is about 10432.6626035735. The cubic root of 108840449 is about 477.4524302273.

The spelling of 108840449 in words is "one hundred eight million, eight hundred forty thousand, four hundred forty-nine".