28421183 has 8 divisors (see below), whose sum is σ = 32599200. Its totient is φ = 24272640.

The previous prime is 28421167. The next prime is 28421209. The reversal of 28421183 is 38112482.

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

It is not a de Polignac number, because 28421183 - 2⁴ = 28421167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28421383) 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, 5258 + ... + 9191.

It is an arithmetic number, because the mean of its divisors is an integer number (4074900).

Almost surely, 2^28421183 is an apocalyptic number.

28421183 is a deficient number, since it is larger than the sum of its proper divisors (4178017).

28421183 is a wasteful number, since it uses less digits than its factorization.

28421183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14737.

The product of its digits is 3072, while the sum is 29.

The square root of 28421183 is about 5331.1521268859. The cubic root of 28421183 is about 305.1738970706.

The spelling of 28421183 in words is "twenty-eight million, four hundred twenty-one thousand, one hundred eighty-three".