29855128 has 16 divisors (see below), whose sum is σ = 59271480. Its totient is φ = 14049408.

The previous prime is 29855117. The next prime is 29855131. The reversal of 29855128 is 82155892.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 109626 + ... + 109897.

Almost surely, 2^29855128 is an apocalyptic number.

It is an amenable number.

29855128 is a deficient number, since it is larger than the sum of its proper divisors (29416352).

29855128 is a wasteful number, since it uses less digits than its factorization.

29855128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219546 (or 219542 counting only the distinct ones).

The product of its digits is 57600, while the sum is 40.

The square root of 29855128 is about 5463.9846266255. The cubic root of 29855128 is about 310.2222755499. Note that the first 4 decimals are identical.

The spelling of 29855128 in words is "twenty-nine million, eight hundred fifty-five thousand, one hundred twenty-eight".