28334333 has 2 divisors, whose sum is σ = 28334334. Its totient is φ = 28334332.

The previous prime is 28334311. The next prime is 28334347. The reversal of 28334333 is 33343382.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28334329 + 4 = 5323^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 28334333 - 2⁶ = 28334269 is a prime.

It is a super-3 number, since 3×28334333³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28334296 and 28334305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28334353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14167166 + 14167167.

It is an arithmetic number, because the mean of its divisors is an integer number (14167167).

Almost surely, 2^28334333 is an apocalyptic number.

It is an amenable number.

28334333 is a deficient number, since it is larger than the sum of its proper divisors (1).

28334333 is an equidigital number, since it uses as much as digits as its factorization.

28334333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 29.

The square root of 28334333 is about 5323.0003757280. Note that the first 3 decimals coincide. The cubic root of 28334333 is about 304.8627277995.

The spelling of 28334333 in words is "twenty-eight million, three hundred thirty-four thousand, three hundred thirty-three".