33828439 has 2 divisors, whose sum is σ = 33828440. Its totient is φ = 33828438.

The previous prime is 33828437. The next prime is 33828467. The reversal of 33828439 is 93482833.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33828439 - 2¹ = 33828437 is a prime.

It is a super-2 number, since 2×33828439² = 2288726570353442, which contains 22 as substring.

Together with 33828437, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33828433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16914219 + 16914220.

It is an arithmetic number, because the mean of its divisors is an integer number (16914220).

Almost surely, 2^33828439 is an apocalyptic number.

33828439 is a deficient number, since it is larger than the sum of its proper divisors (1).

33828439 is an equidigital number, since it uses as much as digits as its factorization.

33828439 is an odious number, because the sum of its binary digits is odd.

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

The square root of 33828439 is about 5816.2220555959. Note that the first 3 decimals coincide. The cubic root of 33828439 is about 323.4153678789.

The spelling of 33828439 in words is "thirty-three million, eight hundred twenty-eight thousand, four hundred thirty-nine".