29938161 has 8 divisors (see below), whose sum is σ = 43546464. Its totient is φ = 18144320.

The previous prime is 29938151. The next prime is 29938171. The reversal of 29938161 is 16183992.

It is an interprime number because it is at equal distance from previous prime (29938151) and next prime (29938171).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29938161 - 2¹⁴ = 29921777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29938141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453576 + ... + 453641.

It is an arithmetic number, because the mean of its divisors is an integer number (5443308).

Almost surely, 2^29938161 is an apocalyptic number.

It is an amenable number.

29938161 is a deficient number, since it is larger than the sum of its proper divisors (13608303).

29938161 is a wasteful number, since it uses less digits than its factorization.

29938161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907231.

The product of its digits is 23328, while the sum is 39.

The square root of 29938161 is about 5471.5775604482. The cubic root of 29938161 is about 310.5096057872.

The spelling of 29938161 in words is "twenty-nine million, nine hundred thirty-eight thousand, one hundred sixty-one".