29128850 has 24 divisors (see below), whose sum is σ = 54840240. Its totient is φ = 11509520.

The previous prime is 29128829. The next prime is 29128877. The reversal of 29128850 is 5882192.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 29128850.

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 11 ways as a sum of consecutive naturals, for example, 641 + ... + 7659.

It is an arithmetic number, because the mean of its divisors is an integer number (2285010).

Almost surely, 2^29128850 is an apocalyptic number.

29128850 is a deficient number, since it is larger than the sum of its proper divisors (25711390).

29128850 is a wasteful number, since it uses less digits than its factorization.

29128850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114 (or 7109 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 29128850 is about 5397.1149700558. The cubic root of 29128850 is about 307.6860310418.

The spelling of 29128850 in words is "twenty-nine million, one hundred twenty-eight thousand, eight hundred fifty".