28000014 has 16 divisors (see below), whose sum is σ = 64000128. Its totient is φ = 7999992.

The previous prime is 27999943. The next prime is 28000019. The reversal of 28000014 is 41000082.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27999957 and 28000002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28000019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333292 + ... + 333375.

It is an arithmetic number, because the mean of its divisors is an integer number (4000008).

Almost surely, 2^28000014 is an apocalyptic number.

28000014 is an abundant number, since it is smaller than the sum of its proper divisors (36000114).

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

28000014 is a wasteful number, since it uses less digits than its factorization.

28000014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666679.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 28000014 is about 5291.5039450047. The cubic root of 28000014 is about 303.6589477974.

Adding to 28000014 its reverse (41000082), we get a palindrome (69000096).

The spelling of 28000014 in words is "twenty-eight million, fourteen", and thus it is an aban number.