33418828 has 12 divisors (see below), whose sum is σ = 59086552. Its totient is φ = 16536960.

The previous prime is 33418823. The next prime is 33418829. The reversal of 33418828 is 82881433.

It is a super-2 number, since 2×33418828² = 2233636129787168, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (33418823) by changing a digit.

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, 42678 + ... + 43453.

Almost surely, 2^33418828 is an apocalyptic number.

It is an amenable number.

33418828 is a deficient number, since it is larger than the sum of its proper divisors (25667724).

33418828 is a wasteful number, since it uses less digits than its factorization.

33418828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86232 (or 86230 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 33418828 is about 5780.9020057427. The cubic root of 33418828 is about 322.1047072772.

The spelling of 33418828 in words is "thirty-three million, four hundred eighteen thousand, eight hundred twenty-eight".