28833338 has 8 divisors (see below), whose sum is σ = 43312320. Its totient is φ = 14395900.

The previous prime is 28833331. The next prime is 28833353. The reversal of 28833338 is 83333882.

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

It is a super-2 number, since 2×28833338² = 1662722760444488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28833331) 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 3 ways as a sum of consecutive naturals, for example, 8588 + ... + 11463.

It is an arithmetic number, because the mean of its divisors is an integer number (5414040).

Almost surely, 2^28833338 is an apocalyptic number.

28833338 is a deficient number, since it is larger than the sum of its proper divisors (14478982).

28833338 is a wasteful number, since it uses less digits than its factorization.

28833338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20772.

The product of its digits is 82944, while the sum is 38.

The square root of 28833338 is about 5369.6683324019. The cubic root of 28833338 is about 306.6420015344.

The spelling of 28833338 in words is "twenty-eight million, eight hundred thirty-three thousand, three hundred thirty-eight".