29128844 has 12 divisors (see below), whose sum is σ = 51072504. Its totient is φ = 14536704.

The previous prime is 29128829. The next prime is 29128877. The reversal of 29128844 is 44882192.

It is a junction number, because it is equal to n+sod(n) for n = 29128798 and 29128807.

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, 4469 + ... + 8844.

It is an arithmetic number, because the mean of its divisors is an integer number (4256042).

Almost surely, 2^29128844 is an apocalyptic number.

It is an amenable number.

29128844 is a deficient number, since it is larger than the sum of its proper divisors (21943660).

29128844 is a wasteful number, since it uses less digits than its factorization.

29128844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13864 (or 13862 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 29128844 is about 5397.1144142032. The cubic root of 29128844 is about 307.6860099160.

The spelling of 29128844 in words is "twenty-nine million, one hundred twenty-eight thousand, eight hundred forty-four".