28835833 has 8 divisors (see below), whose sum is σ = 31811976. Its totient is φ = 25968000.

The previous prime is 28835819. The next prime is 28835857. The reversal of 28835833 is 33853882.

It can be written as a sum of positive squares in 4 ways, for example, as 138384 + 28697449 = 372^2 + 5357^2 .

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 28835833 - 2⁵ = 28835801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28835033) 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, 26518 + ... + 27583.

It is an arithmetic number, because the mean of its divisors is an integer number (3976497).

Almost surely, 2^28835833 is an apocalyptic number.

It is an amenable number.

28835833 is a deficient number, since it is larger than the sum of its proper divisors (2976143).

28835833 is a wasteful number, since it uses less digits than its factorization.

28835833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54155.

The product of its digits is 138240, while the sum is 40.

The square root of 28835833 is about 5369.9006508501. The cubic root of 28835833 is about 306.6508460385.

The spelling of 28835833 in words is "twenty-eight million, eight hundred thirty-five thousand, eight hundred thirty-three".