28290599 has 2 divisors, whose sum is σ = 28290600. Its totient is φ = 28290598.

The previous prime is 28290593. The next prime is 28290643. The reversal of 28290599 is 99509282.

It is an a-pointer prime, because the next prime (28290643) can be obtained adding 28290599 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28290599 - 2⁴ = 28290583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28290593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14145299 + 14145300.

It is an arithmetic number, because the mean of its divisors is an integer number (14145300).

Almost surely, 2^28290599 is an apocalyptic number.

28290599 is a deficient number, since it is larger than the sum of its proper divisors (1).

28290599 is an equidigital number, since it uses as much as digits as its factorization.

28290599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 28290599 is about 5318.8907678199. The cubic root of 28290599 is about 304.7057953108.

The spelling of 28290599 in words is "twenty-eight million, two hundred ninety thousand, five hundred ninety-nine".