33189964 has 12 divisors (see below), whose sum is σ = 59956288. Its totient is φ = 16059600.

The previous prime is 33189953. The next prime is 33189971. The reversal of 33189964 is 46998133.

It is a super-2 number, since 2×33189964² = 2203147420642592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33189964.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 133707 + ... + 133954.

Almost surely, 2^33189964 is an apocalyptic number.

It is an amenable number.

33189964 is a deficient number, since it is larger than the sum of its proper divisors (26766324).

33189964 is a wasteful number, since it uses less digits than its factorization.

33189964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267696 (or 267694 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 33189964 is about 5761.0731639166. The cubic root of 33189964 is about 321.3677265383.

The spelling of 33189964 in words is "thirty-three million, one hundred eighty-nine thousand, nine hundred sixty-four".