29404905 has 16 divisors (see below), whose sum is σ = 48143040. Its totient is φ = 15317568.

The previous prime is 29404889. The next prime is 29404931. The reversal of 29404905 is 50940492.

29404905 is nontrivially palindromic in base 7.

It is not a de Polignac number, because 29404905 - 2⁴ = 29404889 is a prime.

It is a Curzon number.

It is an unprimeable number.

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, 22150 + ... + 23439.

It is an arithmetic number, because the mean of its divisors is an integer number (3008940).

Almost surely, 2^29404905 is an apocalyptic number.

It is an amenable number.

29404905 is a deficient number, since it is larger than the sum of its proper divisors (18738135).

29404905 is a wasteful number, since it uses less digits than its factorization.

29404905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45640.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 29404905 is about 5422.6289749530. The cubic root of 29404905 is about 308.6549599022.

The spelling of 29404905 in words is "twenty-nine million, four hundred four thousand, nine hundred five".