28834015 has 8 divisors (see below), whose sum is σ = 39543840. Its totient is φ = 19771872.

The previous prime is 28834009. The next prime is 28834073. The reversal of 28834015 is 51043882.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28834015 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 411880 + ... + 411949.

It is an arithmetic number, because the mean of its divisors is an integer number (4942980).

Almost surely, 2^28834015 is an apocalyptic number.

28834015 is a deficient number, since it is larger than the sum of its proper divisors (10709825).

28834015 is an equidigital number, since it uses as much as digits as its factorization.

28834015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823841.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 28834015 is about 5369.7313713071. The cubic root of 28834015 is about 306.6444014763.

Adding to 28834015 its reverse (51043882), we get a palindrome (79877897).

The spelling of 28834015 in words is "twenty-eight million, eight hundred thirty-four thousand, fifteen".