28876323 has 8 divisors (see below), whose sum is σ = 44002048. Its totient is φ = 16500744.

The previous prime is 28876307. The next prime is 28876327. The reversal of 28876323 is 32367882.

It is a happy number.

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

It is not a de Polignac number, because 28876323 - 2⁴ = 28876307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28876327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687511 + ... + 687552.

It is an arithmetic number, because the mean of its divisors is an integer number (5500256).

Almost surely, 2^28876323 is an apocalyptic number.

28876323 is a deficient number, since it is larger than the sum of its proper divisors (15125725).

28876323 is a wasteful number, since it uses less digits than its factorization.

28876323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375073.

The product of its digits is 96768, while the sum is 39.

The square root of 28876323 is about 5373.6694167021. The cubic root of 28876323 is about 306.7943074258.

The spelling of 28876323 in words is "twenty-eight million, eight hundred seventy-six thousand, three hundred twenty-three".