28000094 has 8 divisors (see below), whose sum is σ = 42101640. Its totient is φ = 13966216.

The previous prime is 28000087. The next prime is 28000097. The reversal of 28000094 is 49000082.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28000097) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15869 + ... + 17544.

It is an arithmetic number, because the mean of its divisors is an integer number (5262705).

Almost surely, 2^28000094 is an apocalyptic number.

28000094 is a deficient number, since it is larger than the sum of its proper divisors (14101546).

28000094 is a wasteful number, since it uses less digits than its factorization.

28000094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33834.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 28000094 is about 5291.5115042868. The cubic root of 28000094 is about 303.6592369960.

The spelling of 28000094 in words is "twenty-eight million, ninety-four", and thus it is an aban number.