28833117 has 8 divisors (see below), whose sum is σ = 38640096. Its totient is φ = 19124112.

The previous prime is 28833109. The next prime is 28833151. The reversal of 28833117 is 71133882.

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

It is not a de Polignac number, because 28833117 - 2³ = 28833109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28833197) 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, 23803 + ... + 24984.

It is an arithmetic number, because the mean of its divisors is an integer number (4830012).

Almost surely, 2^28833117 is an apocalyptic number.

It is an amenable number.

28833117 is a deficient number, since it is larger than the sum of its proper divisors (9806979).

28833117 is a wasteful number, since it uses less digits than its factorization.

28833117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48987.

The product of its digits is 8064, while the sum is 33.

The square root of 28833117 is about 5369.6477538103. The cubic root of 28833117 is about 306.6412180888.

Adding to 28833117 its reverse (71133882), we get a palindrome (99966999).

The spelling of 28833117 in words is "twenty-eight million, eight hundred thirty-three thousand, one hundred seventeen".