33005949 has 4 divisors (see below), whose sum is σ = 44007936. Its totient is φ = 22003964.

The previous prime is 33005933. The next prime is 33005981. The reversal of 33005949 is 94950033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94950033 = 3 ⋅31650011.

It is a cyclic number.

It is not a de Polignac number, because 33005949 - 2⁴ = 33005933 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33005849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500989 + ... + 5500994.

It is an arithmetic number, because the mean of its divisors is an integer number (11001984).

Almost surely, 2^33005949 is an apocalyptic number.

It is an amenable number.

33005949 is a deficient number, since it is larger than the sum of its proper divisors (11001987).

33005949 is a wasteful number, since it uses less digits than its factorization.

33005949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001986.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 33005949 is about 5745.0804171917. The cubic root of 33005949 is about 320.7727062069.

The spelling of 33005949 in words is "thirty-three million, five thousand, nine hundred forty-nine".