29129028 has 48 divisors (see below), whose sum is σ = 69672960. Its totient is φ = 9469600.

The previous prime is 29128999. The next prime is 29129039. The reversal of 29129028 is 82092192.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 29129028.

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, 152413 + ... + 152603.

It is an arithmetic number, because the mean of its divisors is an integer number (1451520).

Almost surely, 2^29129028 is an apocalyptic number.

It is an amenable number.

29129028 is an abundant number, since it is smaller than the sum of its proper divisors (40543932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29129028 is a wasteful number, since it uses less digits than its factorization.

29129028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 29129028 is about 5397.1314603222. The cubic root of 29129028 is about 307.6866577745.

The spelling of 29129028 in words is "twenty-nine million, one hundred twenty-nine thousand, twenty-eight".