28833623 has 8 divisors (see below), whose sum is σ = 35487648. Its totient is φ = 22813344.

The previous prime is 28833599. The next prime is 28833631. The reversal of 28833623 is 32633882.

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 28833623 - 2⁸ = 28833367 is a prime.

It is a super-2 number, since 2×28833623² = 1662755630612258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28833653) by changing a digit.

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, 158336 + ... + 158517.

It is an arithmetic number, because the mean of its divisors is an integer number (4435956).

Almost surely, 2^28833623 is an apocalyptic number.

28833623 is a deficient number, since it is larger than the sum of its proper divisors (6654025).

28833623 is a wasteful number, since it uses less digits than its factorization.

28833623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316873.

The product of its digits is 41472, while the sum is 35.

The square root of 28833623 is about 5369.6948702883. The cubic root of 28833623 is about 306.6430118543.

The spelling of 28833623 in words is "twenty-eight million, eight hundred thirty-three thousand, six hundred twenty-three".