28830542 has 8 divisors (see below), whose sum is σ = 46572456. Its totient is φ = 13306392.

The previous prime is 28830539. The next prime is 28830563. The reversal of 28830542 is 24503882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28830499 and 28830508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554408 + ... + 554459.

It is an arithmetic number, because the mean of its divisors is an integer number (5821557).

Almost surely, 2^28830542 is an apocalyptic number.

28830542 is a deficient number, since it is larger than the sum of its proper divisors (17741914).

28830542 is a wasteful number, since it uses less digits than its factorization.

28830542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108882.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 28830542 is about 5369.4079748144. The cubic root of 28830542 is about 306.6320894117.

The spelling of 28830542 in words is "twenty-eight million, eight hundred thirty thousand, five hundred forty-two".