28736299 has 2 divisors, whose sum is σ = 28736300. Its totient is φ = 28736298.

The previous prime is 28736263. The next prime is 28736333. The reversal of 28736299 is 99263782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28736299 - 2²¹ = 26639147 is a prime.

It is not a weakly prime, because it can be changed into another prime (28736209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14368149 + 14368150.

It is an arithmetic number, because the mean of its divisors is an integer number (14368150).

Almost surely, 2^28736299 is an apocalyptic number.

28736299 is a deficient number, since it is larger than the sum of its proper divisors (1).

28736299 is an equidigital number, since it uses as much as digits as its factorization.

28736299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 28736299 is about 5360.6248702926. The cubic root of 28736299 is about 306.2976122559.

The spelling of 28736299 in words is "twenty-eight million, seven hundred thirty-six thousand, two hundred ninety-nine".