33838481 has 2 divisors, whose sum is σ = 33838482. Its totient is φ = 33838480.

The previous prime is 33838477. The next prime is 33838513. The reversal of 33838481 is 18483833.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33166081 + 672400 = 5759^2 + 820^2 .

It is a cyclic number.

It is not a de Polignac number, because 33838481 - 2² = 33838477 is a prime.

It is a super-2 number, since 2×33838481² = 2290085592774722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (33838421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16919240 + 16919241.

It is an arithmetic number, because the mean of its divisors is an integer number (16919241).

Almost surely, 2^33838481 is an apocalyptic number.

It is an amenable number.

33838481 is a deficient number, since it is larger than the sum of its proper divisors (1).

33838481 is an equidigital number, since it uses as much as digits as its factorization.

33838481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 38.

The square root of 33838481 is about 5817.0852666950. The cubic root of 33838481 is about 323.4473667523.

The spelling of 33838481 in words is "thirty-three million, eight hundred thirty-eight thousand, four hundred eighty-one".