33968911 has 2 divisors, whose sum is σ = 33968912. Its totient is φ = 33968910.

The previous prime is 33968881. The next prime is 33968917. The reversal of 33968911 is 11986933.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33968911 - 2⁷ = 33968783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33968917) 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, 16984455 + 16984456.

It is an arithmetic number, because the mean of its divisors is an integer number (16984456).

Almost surely, 2^33968911 is an apocalyptic number.

33968911 is a deficient number, since it is larger than the sum of its proper divisors (1).

33968911 is an equidigital number, since it uses as much as digits as its factorization.

33968911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 40.

The square root of 33968911 is about 5828.2854254060. The cubic root of 33968911 is about 323.8624085546.

The spelling of 33968911 in words is "thirty-three million, nine hundred sixty-eight thousand, nine hundred eleven".