28830519 has 8 divisors (see below), whose sum is σ = 42711920. Its totient is φ = 19220328.

The previous prime is 28830509. The next prime is 28830539. The reversal of 28830519 is 91503882.

It is not a de Polignac number, because 28830519 - 2⁹ = 28830007 is a prime.

It is a super-2 number, since 2×28830519² = 1662397651618722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28830509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533872 + ... + 533925.

It is an arithmetic number, because the mean of its divisors is an integer number (5338990).

Almost surely, 2^28830519 is an apocalyptic number.

28830519 is a deficient number, since it is larger than the sum of its proper divisors (13881401).

28830519 is a wasteful number, since it uses less digits than its factorization.

28830519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067806 (or 1067800 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 28830519 is about 5369.4058330508. The cubic root of 28830519 is about 306.6320078716.

The spelling of 28830519 in words is "twenty-eight million, eight hundred thirty thousand, five hundred nineteen".