28830583 has 2 divisors, whose sum is σ = 28830584. Its totient is φ = 28830582.

The previous prime is 28830563. The next prime is 28830601. The reversal of 28830583 is 38503882.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28830583 - 2⁹ = 28830071 is a prime.

It is a super-2 number, since 2×28830583² = 1662405032239778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28830563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14415291 + 14415292.

It is an arithmetic number, because the mean of its divisors is an integer number (14415292).

Almost surely, 2^28830583 is an apocalyptic number.

28830583 is a deficient number, since it is larger than the sum of its proper divisors (1).

28830583 is an equidigital number, since it uses as much as digits as its factorization.

28830583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 28830583 is about 5369.4117927386. The cubic root of 28830583 is about 306.6322347658.

The spelling of 28830583 in words is "twenty-eight million, eight hundred thirty thousand, five hundred eighty-three".