28814833 has 8 divisors (see below), whose sum is σ = 29468160. Its totient is φ = 28167120.

The previous prime is 28814831. The next prime is 28814843. The reversal of 28814833 is 33841882.

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 28814833 - 2¹ = 28814831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28814792 and 28814801.

It is not an unprimeable number, because it can be changed into a prime (28814831) 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 7 ways as a sum of consecutive naturals, for example, 9991 + ... + 12547.

It is an arithmetic number, because the mean of its divisors is an integer number (3683520).

Almost surely, 2^28814833 is an apocalyptic number.

It is an amenable number.

28814833 is a deficient number, since it is larger than the sum of its proper divisors (653327).

28814833 is a wasteful number, since it uses less digits than its factorization.

28814833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807.

The product of its digits is 36864, while the sum is 37.

The square root of 28814833 is about 5367.9449512826. The cubic root of 28814833 is about 306.5763873878.

The spelling of 28814833 in words is "twenty-eight million, eight hundred fourteen thousand, eight hundred thirty-three".