28350833 has 8 divisors (see below), whose sum is σ = 33446400. Its totient is φ = 23516640.

The previous prime is 28350821. The next prime is 28350841. The reversal of 28350833 is 33805382.

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

It is not a de Polignac number, because 28350833 - 2²⁰ = 27302257 is a prime.

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 28350833.

It is not an unprimeable number, because it can be changed into a prime (28350863) 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, 65108 + ... + 65541.

It is an arithmetic number, because the mean of its divisors is an integer number (4180800).

Almost surely, 2^28350833 is an apocalyptic number.

It is an amenable number.

28350833 is a deficient number, since it is larger than the sum of its proper divisors (5095567).

28350833 is a wasteful number, since it uses less digits than its factorization.

28350833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130687.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 28350833 is about 5324.5500279366. The cubic root of 28350833 is about 304.9218934638.

The spelling of 28350833 in words is "twenty-eight million, three hundred fifty thousand, eight hundred thirty-three".