28606323 has 4 divisors (see below), whose sum is σ = 38141768. Its totient is φ = 19070880.

The previous prime is 28606321. The next prime is 28606351. The reversal of 28606323 is 32360682.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 28606323 - 2¹ = 28606321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28606321) by changing a digit.

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, 4767718 + ... + 4767723.

It is an arithmetic number, because the mean of its divisors is an integer number (9535442).

Almost surely, 2^28606323 is an apocalyptic number.

28606323 is a deficient number, since it is larger than the sum of its proper divisors (9535445).

28606323 is an equidigital number, since it uses as much as digits as its factorization.

28606323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9535444.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 28606323 is about 5348.4879171594. The cubic root of 28606323 is about 305.8351134403.

The spelling of 28606323 in words is "twenty-eight million, six hundred six thousand, three hundred twenty-three".