29080809 has 16 divisors (see below), whose sum is σ = 44956800. Its totient is φ = 18543888.

The previous prime is 29080789. The next prime is 29080813. The reversal of 29080809 is 90808092.

It is not a de Polignac number, because 29080809 - 2⁸ = 29080553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29080859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22794 + ... + 24035.

It is an arithmetic number, because the mean of its divisors is an integer number (2809800).

Almost surely, 2^29080809 is an apocalyptic number.

It is an amenable number.

29080809 is a deficient number, since it is larger than the sum of its proper divisors (15875991).

29080809 is a wasteful number, since it uses less digits than its factorization.

29080809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46861 (or 46855 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 29080809 is about 5392.6625149364. The cubic root of 29080809 is about 307.5167867100.

The spelling of 29080809 in words is "twenty-nine million, eighty thousand, eight hundred nine".