28654099 has 4 divisors (see below), whose sum is σ = 28739464. Its totient is φ = 28568736.

The previous prime is 28654081. The next prime is 28654103. The reversal of 28654099 is 99045682.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28654099 - 2¹¹ = 28652051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28654019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42177 + ... + 42850.

It is an arithmetic number, because the mean of its divisors is an integer number (7184866).

Almost surely, 2^28654099 is an apocalyptic number.

28654099 is a deficient number, since it is larger than the sum of its proper divisors (85365).

28654099 is an equidigital number, since it uses as much as digits as its factorization.

28654099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85364.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 28654099 is about 5352.9523629489. The cubic root of 28654099 is about 306.0052792174.

The spelling of 28654099 in words is "twenty-eight million, six hundred fifty-four thousand, ninety-nine".