33384812 has 18 divisors (see below), whose sum is σ = 59423364. Its totient is φ = 16411440.

The previous prime is 33384809. The next prime is 33384817. The reversal of 33384812 is 21848333.

It is a happy number.

It is a super-2 number, since 2×33384812² = 2229091344550688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33384817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13763 + ... + 16005.

It is an arithmetic number, because the mean of its divisors is an integer number (3301298).

Almost surely, 2^33384812 is an apocalyptic number.

It is an amenable number.

33384812 is a deficient number, since it is larger than the sum of its proper divisors (26038552).

33384812 is a wasteful number, since it uses less digits than its factorization.

33384812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369 (or 2306 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 33384812 is about 5777.9591552727. The cubic root of 33384812 is about 321.9953833424.

The spelling of 33384812 in words is "thirty-three million, three hundred eighty-four thousand, eight hundred twelve".