28608323 has 8 divisors (see below), whose sum is σ = 28978800. Its totient is φ = 28240128.

The previous prime is 28608311. The next prime is 28608337. The reversal of 28608323 is 32380682.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28608323 - 2⁶ = 28608259 is a prime.

It is a super-2 number, since 2×28608323² = 1636872289744658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28608323.

It is not an unprimeable number, because it can be changed into a prime (28608023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45908 + ... + 46526.

It is an arithmetic number, because the mean of its divisors is an integer number (3622350).

Almost surely, 2^28608323 is an apocalyptic number.

28608323 is a deficient number, since it is larger than the sum of its proper divisors (370477).

28608323 is a wasteful number, since it uses less digits than its factorization.

28608323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 28608323 is about 5348.6748826228. The cubic root of 28608323 is about 305.8422407221.

The spelling of 28608323 in words is "twenty-eight million, six hundred eight thousand, three hundred twenty-three".