28736106 has 32 divisors (see below), whose sum is σ = 66295680. Its totient is φ = 8133696.

The previous prime is 28736077. The next prime is 28736119. The reversal of 28736106 is 60163782.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1440 + ... + 7716.

It is an arithmetic number, because the mean of its divisors is an integer number (2071740).

Almost surely, 2^28736106 is an apocalyptic number.

28736106 is an abundant number, since it is smaller than the sum of its proper divisors (37559574).

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

28736106 is a wasteful number, since it uses less digits than its factorization.

28736106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 28736106 is about 5360.6068686297. The cubic root of 28736106 is about 306.2969265312.

Adding to 28736106 its reverse (60163782), we get a palindrome (88899888).

The spelling of 28736106 in words is "twenty-eight million, seven hundred thirty-six thousand, one hundred six".