33979633 has 2 divisors, whose sum is σ = 33979634. Its totient is φ = 33979632.

The previous prime is 33979613. The next prime is 33979661. The reversal of 33979633 is 33697933.

33979633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26543104 + 7436529 = 5152^2 + 2727^2 .

It is an emirp because it is prime and its reverse (33697933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33979633 - 2⁵ = 33979601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33979633.

It is not a weakly prime, because it can be changed into another prime (33979613) 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, 16989816 + 16989817.

It is an arithmetic number, because the mean of its divisors is an integer number (16989817).

Almost surely, 2^33979633 is an apocalyptic number.

It is an amenable number.

33979633 is a deficient number, since it is larger than the sum of its proper divisors (1).

33979633 is an equidigital number, since it uses as much as digits as its factorization.

33979633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 275562, while the sum is 43.

The square root of 33979633 is about 5829.2051773805. The cubic root of 33979633 is about 323.8964797818.

The spelling of 33979633 in words is "thirty-three million, nine hundred seventy-nine thousand, six hundred thirty-three".