108969397 has 2 divisors, whose sum is σ = 108969398. Its totient is φ = 108969396.

The previous prime is 108969383. The next prime is 108969409. The reversal of 108969397 is 793969801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107868996 + 1100401 = 10386^2 + 1049^2 .

It is a cyclic number.

It is not a de Polignac number, because 108969397 - 2¹¹ = 108967349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108909397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54484698 + 54484699.

It is an arithmetic number, because the mean of its divisors is an integer number (54484699).

Almost surely, 2^108969397 is an apocalyptic number.

It is an amenable number.

108969397 is a deficient number, since it is larger than the sum of its proper divisors (1).

108969397 is an equidigital number, since it uses as much as digits as its factorization.

108969397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 108969397 is about 10438.8407881335. The cubic root of 108969397 is about 477.6409086806.

The spelling of 108969397 in words is "one hundred eight million, nine hundred sixty-nine thousand, three hundred ninety-seven".