28629105 has 48 divisors (see below), whose sum is σ = 51352704. Its totient is φ = 13570560.

The previous prime is 28629079. The next prime is 28629121. The reversal of 28629105 is 50192682.

It is not a de Polignac number, because 28629105 - 2¹⁰ = 28628081 is a prime.

It is a Curzon 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 47 ways as a sum of consecutive naturals, for example, 91900 + ... + 92210.

It is an arithmetic number, because the mean of its divisors is an integer number (1069848).

Almost surely, 2^28629105 is an apocalyptic number.

It is an amenable number.

28629105 is a deficient number, since it is larger than the sum of its proper divisors (22723599).

28629105 is a wasteful number, since it uses less digits than its factorization.

28629105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 28629105 is about 5350.6172541119. The cubic root of 28629105 is about 305.9162806556.

The spelling of 28629105 in words is "twenty-eight million, six hundred twenty-nine thousand, one hundred five".