33418028 has 12 divisors (see below), whose sum is σ = 66836112. Its totient is φ = 14322000.

The previous prime is 33418003. The next prime is 33418043. The reversal of 33418028 is 82081433.

It is a happy number.

33418028 is an admirable number.

It is a super-2 number, since 2×33418028² = 2233529190817568, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 596723 + ... + 596778.

It is an arithmetic number, because the mean of its divisors is an integer number (5569676).

Almost surely, 2^33418028 is an apocalyptic number.

It is an amenable number.

33418028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33418028 is a wasteful number, since it uses less digits than its factorization.

33418028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193512 (or 1193510 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 33418028 is about 5780.8328119744. The cubic root of 33418028 is about 322.1021370113.

The spelling of 33418028 in words is "thirty-three million, four hundred eighteen thousand, twenty-eight".