33043982 has 4 divisors (see below), whose sum is σ = 49565976. Its totient is φ = 16521990.

The previous prime is 33043973. The next prime is 33043987. The reversal of 33043982 is 28934033.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33043987) 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, 8260994 + ... + 8260997.

It is an arithmetic number, because the mean of its divisors is an integer number (12391494).

Almost surely, 2^33043982 is an apocalyptic number.

33043982 is a deficient number, since it is larger than the sum of its proper divisors (16521994).

33043982 is a wasteful number, since it uses less digits than its factorization.

33043982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16521993.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 33043982 is about 5748.3895135942. The cubic root of 33043982 is about 320.8958685021.

The spelling of 33043982 in words is "thirty-three million, forty-three thousand, nine hundred eighty-two".