29887028 has 24 divisors (see below), whose sum is σ = 54938688. Its totient is φ = 14198976.

The previous prime is 29887027. The next prime is 29887061. The reversal of 29887028 is 82078892.

It is a self number, because there is not a number n which added to its sum of digits gives 29887028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29887027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14000 + ... + 15992.

It is an arithmetic number, because the mean of its divisors is an integer number (2289112).

Almost surely, 2^29887028 is an apocalyptic number.

It is an amenable number.

29887028 is a deficient number, since it is larger than the sum of its proper divisors (25051660).

29887028 is a wasteful number, since it uses less digits than its factorization.

29887028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183 (or 2181 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 29887028 is about 5466.9029623728. The cubic root of 29887028 is about 310.3327263469.

The spelling of 29887028 in words is "twenty-nine million, eight hundred eighty-seven thousand, twenty-eight".