33959091 has 4 divisors (see below), whose sum is σ = 45278792. Its totient is φ = 22639392.

The previous prime is 33959077. The next prime is 33959113. The reversal of 33959091 is 19095933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19095933 = 3 ⋅6365311.

It is not a de Polignac number, because 33959091 - 2⁶ = 33959027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33959011) 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 in 3 ways as a sum of consecutive naturals, for example, 5659846 + ... + 5659851.

It is an arithmetic number, because the mean of its divisors is an integer number (11319698).

Almost surely, 2^33959091 is an apocalyptic number.

33959091 is a deficient number, since it is larger than the sum of its proper divisors (11319701).

33959091 is a wasteful number, since it uses less digits than its factorization.

33959091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11319700.

The product of its (nonzero) digits is 32805, while the sum is 39.

The square root of 33959091 is about 5827.4429212134. The cubic root of 33959091 is about 323.8311973159.

The spelling of 33959091 in words is "thirty-three million, nine hundred fifty-nine thousand, ninety-one".