33996689 has 2 divisors, whose sum is σ = 33996690. Its totient is φ = 33996688.

The previous prime is 33996661. The next prime is 33996713. The reversal of 33996689 is 98669933.

It is a happy number.

33996689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33408400 + 588289 = 5780^2 + 767^2 .

It is a cyclic number.

It is not a de Polignac number, because 33996689 - 2¹² = 33992593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33996689.

It is not a weakly prime, because it can be changed into another prime (33996649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16998344 + 16998345.

It is an arithmetic number, because the mean of its divisors is an integer number (16998345).

Almost surely, 2^33996689 is an apocalyptic number.

It is an amenable number.

33996689 is a deficient number, since it is larger than the sum of its proper divisors (1).

33996689 is an equidigital number, since it uses as much as digits as its factorization.

33996689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 53.

The square root of 33996689 is about 5830.6679720252. The cubic root of 33996689 is about 323.9506637524.

The spelling of 33996689 in words is "thirty-three million, nine hundred ninety-six thousand, six hundred eighty-nine".