28600099 has 8 divisors (see below), whose sum is σ = 31253040. Its totient is φ = 25956000.

The previous prime is 28600097. The next prime is 28600123. The reversal of 28600099 is 99000682.

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

It is a cyclic number.

It is not a de Polignac number, because 28600099 - 2¹ = 28600097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28600093) 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 7 ways as a sum of consecutive naturals, for example, 5857 + ... + 9565.

It is an arithmetic number, because the mean of its divisors is an integer number (3906630).

Almost surely, 2^28600099 is an apocalyptic number.

28600099 is a deficient number, since it is larger than the sum of its proper divisors (2652941).

28600099 is a wasteful number, since it uses less digits than its factorization.

28600099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 28600099 is about 5347.9060388156. The cubic root of 28600099 is about 305.8129312137.

The spelling of 28600099 in words is "twenty-eight million, six hundred thousand, ninety-nine".