29938189 has 2 divisors, whose sum is σ = 29938190. Its totient is φ = 29938188.

The previous prime is 29938171. The next prime is 29938229. The reversal of 29938189 is 98183992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28355625 + 1582564 = 5325^2 + 1258^2 .

It is a cyclic number.

It is not a de Polignac number, because 29938189 - 2⁷ = 29938061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29938109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14969094 + 14969095.

It is an arithmetic number, because the mean of its divisors is an integer number (14969095).

Almost surely, 2^29938189 is an apocalyptic number.

It is an amenable number.

29938189 is a deficient number, since it is larger than the sum of its proper divisors (1).

29938189 is an equidigital number, since it uses as much as digits as its factorization.

29938189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 49.

The square root of 29938189 is about 5471.5801191246. The cubic root of 29938189 is about 310.5097025897.

The spelling of 29938189 in words is "twenty-nine million, nine hundred thirty-eight thousand, one hundred eighty-nine".