28054849 has 16 divisors (see below), whose sum is σ = 30369600. Its totient is φ = 25837056.

The previous prime is 28054841. The next prime is 28054889. The reversal of 28054849 is 94845082.

It is a cyclic number.

It is not a de Polignac number, because 28054849 - 2³ = 28054841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28054841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156642 + ... + 156820.

It is an arithmetic number, because the mean of its divisors is an integer number (1898100).

Almost surely, 2^28054849 is an apocalyptic number.

It is an amenable number.

28054849 is a deficient number, since it is larger than the sum of its proper divisors (2314751).

28054849 is a wasteful number, since it uses less digits than its factorization.

28054849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 28054849 is about 5296.6828298474. The cubic root of 28054849 is about 303.8570462745.

The spelling of 28054849 in words is "twenty-eight million, fifty-four thousand, eight hundred forty-nine".