33049994 has 4 divisors (see below), whose sum is σ = 49574994. Its totient is φ = 16524996.

The previous prime is 33049993. The next prime is 33050021. The reversal of 33049994 is 49994033.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 31192225 + 1857769 = 5585^2 + 1363^2 .

It is not an unprimeable number, because it can be changed into a prime (33049993) 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, 8262497 + ... + 8262500.

Almost surely, 2^33049994 is an apocalyptic number.

33049994 is a deficient number, since it is larger than the sum of its proper divisors (16525000).

33049994 is a wasteful number, since it uses less digits than its factorization.

33049994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16524999.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 33049994 is about 5748.9124188841. The cubic root of 33049994 is about 320.9153285152.

It can be divided in two parts, 33049 and 994, that added together give a palindrome (34043).

The spelling of 33049994 in words is "thirty-three million, forty-nine thousand, nine hundred ninety-four".