108381829 has 2 divisors, whose sum is σ = 108381830. Its totient is φ = 108381828.

The previous prime is 108381821. The next prime is 108381839. The reversal of 108381829 is 928183801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65124900 + 43256929 = 8070^2 + 6577^2 .

It is a cyclic number.

It is not a de Polignac number, because 108381829 - 2³ = 108381821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 108381791 and 108381800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108381821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54190914 + 54190915.

It is an arithmetic number, because the mean of its divisors is an integer number (54190915).

Almost surely, 2^108381829 is an apocalyptic number.

It is an amenable number.

108381829 is a deficient number, since it is larger than the sum of its proper divisors (1).

108381829 is an equidigital number, since it uses as much as digits as its factorization.

108381829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 108381829 is about 10410.6593931412. The cubic root of 108381829 is about 476.7808737922.

The spelling of 108381829 in words is "one hundred eight million, three hundred eighty-one thousand, eight hundred twenty-nine".