33389412 has 24 divisors (see below), whose sum is σ = 89038656. Its totient is φ = 9539808.

The previous prime is 33389299. The next prime is 33389423. The reversal of 33389412 is 21498333.

It is a happy number.

It is a super-2 number, since 2×33389412² = 2229705667411488, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 198663 + ... + 198830.

It is an arithmetic number, because the mean of its divisors is an integer number (3709944).

Almost surely, 2^33389412 is an apocalyptic number.

It is an amenable number.

33389412 is an abundant number, since it is smaller than the sum of its proper divisors (55649244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33389412 is a wasteful number, since it uses less digits than its factorization.

33389412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397507 (or 397505 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 33389412 is about 5778.3572059886. The cubic root of 33389412 is about 322.0101716114.

The spelling of 33389412 in words is "thirty-three million, three hundred eighty-nine thousand, four hundred twelve".