28823115 has 16 divisors (see below), whose sum is σ = 47190528. Its totient is φ = 15014496.

The previous prime is 28823099. The next prime is 28823131. The reversal of 28823115 is 51132882.

It is an interprime number because it is at equal distance from previous prime (28823099) and next prime (28823131).

It is not a de Polignac number, because 28823115 - 2⁴ = 28823099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21699 + ... + 22988.

It is an arithmetic number, because the mean of its divisors is an integer number (2949408).

Almost surely, 2^28823115 is an apocalyptic number.

28823115 is a deficient number, since it is larger than the sum of its proper divisors (18367413).

28823115 is a wasteful number, since it uses less digits than its factorization.

28823115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44738.

The product of its digits is 3840, while the sum is 30.

The square root of 28823115 is about 5368.7163270190. The cubic root of 28823115 is about 306.6057567803.

Adding to 28823115 its reverse (51132882), we get a palindrome (79955997).

The spelling of 28823115 in words is "twenty-eight million, eight hundred twenty-three thousand, one hundred fifteen".