28000110 has 32 divisors (see below), whose sum is σ = 70738560. Its totient is φ = 7073568.

The previous prime is 28000097. The next prime is 28000121. The reversal of 28000110 is 1100082.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23992 + ... + 25131.

It is an arithmetic number, because the mean of its divisors is an integer number (2210580).

Almost surely, 2^28000110 is an apocalyptic number.

28000110 is an abundant number, since it is smaller than the sum of its proper divisors (42738450).

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

28000110 is a wasteful number, since it uses less digits than its factorization.

28000110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49152.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 28000110 is about 5291.5130161420. The cubic root of 28000110 is about 303.6592948356.

Adding to 28000110 its reverse (1100082), we get a palindrome (29100192).

The spelling of 28000110 in words is "twenty-eight million, one hundred ten", and thus it is an aban number.