28894333 has 8 divisors (see below), whose sum is σ = 31259648. Its totient is φ = 26549424.

The previous prime is 28894319. The next prime is 28894337. The reversal of 28894333 is 33349882.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28894333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28894337) 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, 2085 + ... + 7882.

It is an arithmetic number, because the mean of its divisors is an integer number (3907456).

Almost surely, 2^28894333 is an apocalyptic number.

It is an amenable number.

28894333 is a deficient number, since it is larger than the sum of its proper divisors (2365315).

28894333 is a wasteful number, since it uses less digits than its factorization.

28894333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10203.

The product of its digits is 124416, while the sum is 40.

The square root of 28894333 is about 5375.3449191657. The cubic root of 28894333 is about 306.8580761307.

The spelling of 28894333 in words is "twenty-eight million, eight hundred ninety-four thousand, three hundred thirty-three".