29980171 has 16 divisors (see below), whose sum is σ = 33636960. Its totient is φ = 26530560.

The previous prime is 29980127. The next prime is 29980183. The reversal of 29980171 is 17108992.

It is a cyclic number.

It is not a de Polignac number, because 29980171 - 2²¹ = 27883019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29980171.

It is not an unprimeable number, because it can be changed into a prime (29980871) 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 15 ways as a sum of consecutive naturals, for example, 105796 + ... + 106078.

It is an arithmetic number, because the mean of its divisors is an integer number (2102310).

Almost surely, 2^29980171 is an apocalyptic number.

29980171 is a deficient number, since it is larger than the sum of its proper divisors (3656789).

29980171 is a wasteful number, since it uses less digits than its factorization.

29980171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 29980171 is about 5475.4151440781. The cubic root of 29980171 is about 310.6547762697.

The spelling of 29980171 in words is "twenty-nine million, nine hundred eighty thousand, one hundred seventy-one".