28730599 has 2 divisors, whose sum is σ = 28730600. Its totient is φ = 28730598.

The previous prime is 28730593. The next prime is 28730621. The reversal of 28730599 is 99503782.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28730599 - 2³ = 28730591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28730591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14365299 + 14365300.

It is an arithmetic number, because the mean of its divisors is an integer number (14365300).

Almost surely, 2^28730599 is an apocalyptic number.

28730599 is a deficient number, since it is larger than the sum of its proper divisors (1).

28730599 is an equidigital number, since it uses as much as digits as its factorization.

28730599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 28730599 is about 5360.0931894884. The cubic root of 28730599 is about 306.2773589885.

The spelling of 28730599 in words is "twenty-eight million, seven hundred thirty thousand, five hundred ninety-nine".