28869105 has 16 divisors (see below), whose sum is σ = 46335744. Its totient is φ = 15348480.

The previous prime is 28869103. The next prime is 28869107. The reversal of 28869105 is 50196882.

It is an interprime number because it is at equal distance from previous prime (28869103) and next prime (28869107).

It is not a de Polignac number, because 28869105 - 2¹ = 28869103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28869101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2200 + ... + 7910.

It is an arithmetic number, because the mean of its divisors is an integer number (2895984).

Almost surely, 2^28869105 is an apocalyptic number.

It is an amenable number.

28869105 is a deficient number, since it is larger than the sum of its proper divisors (17466639).

28869105 is a wasteful number, since it uses less digits than its factorization.

28869105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 28869105 is about 5372.9977666104. The cubic root of 28869105 is about 306.7687429308.

The spelling of 28869105 in words is "twenty-eight million, eight hundred sixty-nine thousand, one hundred five".