33894384 has 20 divisors (see below), whose sum is σ = 87560616. Its totient is φ = 11298112.

The previous prime is 33894361. The next prime is 33894391. The reversal of 33894384 is 48349833.

It is a super-2 number, since 2×33894384² = 2297658533478912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353019 + ... + 353114.

Almost surely, 2^33894384 is an apocalyptic number.

It is an amenable number.

33894384 is an abundant number, since it is smaller than the sum of its proper divisors (53666232).

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

33894384 is a wasteful number, since it uses less digits than its factorization.

33894384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706144 (or 706138 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 33894384 is about 5821.8883534468. Note that the first 3 decimals coincide. The cubic root of 33894384 is about 323.6253862677.

The spelling of 33894384 in words is "thirty-three million, eight hundred ninety-four thousand, three hundred eighty-four".