28651106 has 32 divisors (see below), whose sum is σ = 48487680. Its totient is φ = 12690480.

The previous prime is 28651079. The next prime is 28651109. The reversal of 28651106 is 60115682.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28651109) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 125000 + ... + 125228.

It is an arithmetic number, because the mean of its divisors is an integer number (1515240).

Almost surely, 2^28651106 is an apocalyptic number.

28651106 is a deficient number, since it is larger than the sum of its proper divisors (19836574).

28651106 is a wasteful number, since it uses less digits than its factorization.

28651106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 28651106 is about 5352.6727902983. The cubic root of 28651106 is about 305.9946244802.

Adding to 28651106 its reverse (60115682), we get a palindrome (88766788).

The spelling of 28651106 in words is "twenty-eight million, six hundred fifty-one thousand, one hundred six".