29138908 has 12 divisors (see below), whose sum is σ = 51036552. Its totient is φ = 14557040.

The previous prime is 29138891. The next prime is 29138929. The reversal of 29138908 is 80983192.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3966 + ... + 8602.

It is an arithmetic number, because the mean of its divisors is an integer number (4253046).

Almost surely, 2^29138908 is an apocalyptic number.

It is an amenable number.

29138908 is a deficient number, since it is larger than the sum of its proper divisors (21897644).

29138908 is a wasteful number, since it uses less digits than its factorization.

29138908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6212 (or 6210 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 29138908 is about 5398.0466837552. The cubic root of 29138908 is about 307.7214409530.

The spelling of 29138908 in words is "twenty-nine million, one hundred thirty-eight thousand, nine hundred eight".