28000914 has 8 divisors (see below), whose sum is σ = 56001840. Its totient is φ = 9333636.

The previous prime is 28000879. The next prime is 28000919. The reversal of 28000914 is 41900082.

It is a sphenic number, since it is the product of 3 distinct primes.

28000914 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28000919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2333404 + ... + 2333415.

It is an arithmetic number, because the mean of its divisors is an integer number (7000230).

Almost surely, 2^28000914 is an apocalyptic number.

28000914 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28000914 is a wasteful number, since it uses less digits than its factorization.

28000914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666824.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 28000914 is about 5291.5889863065. The cubic root of 28000914 is about 303.6622012496.

Adding to 28000914 its reverse (41900082), we get a palindrome (69900996).

The spelling of 28000914 in words is "twenty-eight million, nine hundred fourteen", and thus it is an aban number.