28054093 has 8 divisors (see below), whose sum is σ = 28503200. Its totient is φ = 27608688.

The previous prime is 28054067. The next prime is 28054111. The reversal of 28054093 is 39045082.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28054093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28054003) 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 7 ways as a sum of consecutive naturals, for example, 16978 + ... + 18556.

It is an arithmetic number, because the mean of its divisors is an integer number (3562900).

Almost surely, 2^28054093 is an apocalyptic number.

It is an amenable number.

28054093 is a deficient number, since it is larger than the sum of its proper divisors (449107).

28054093 is a wasteful number, since it uses less digits than its factorization.

28054093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 28054093 is about 5296.6114639456. The cubic root of 28054093 is about 303.8543168831.

The spelling of 28054093 in words is "twenty-eight million, fifty-four thousand, ninety-three".