29938141 has 2 divisors, whose sum is σ = 29938142. Its totient is φ = 29938140.

The previous prime is 29938133. The next prime is 29938147. The reversal of 29938141 is 14183992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20666116 + 9272025 = 4546^2 + 3045^2 .

It is a cyclic number.

It is not a de Polignac number, because 29938141 - 2³ = 29938133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29938141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29938147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14969070 + 14969071.

It is an arithmetic number, because the mean of its divisors is an integer number (14969071).

Almost surely, 2^29938141 is an apocalyptic number.

It is an amenable number.

29938141 is a deficient number, since it is larger than the sum of its proper divisors (1).

29938141 is an equidigital number, since it uses as much as digits as its factorization.

29938141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 37.

The square root of 29938141 is about 5471.5757328214. The cubic root of 29938141 is about 310.5095366426.

The spelling of 29938141 in words is "twenty-nine million, nine hundred thirty-eight thousand, one hundred forty-one".