33404166 has 24 divisors (see below), whose sum is σ = 76185720. Its totient is φ = 10548576.

The previous prime is 33404159. The next prime is 33404171. The reversal of 33404166 is 66140433.

It is a super-3 number, since 3×33404166³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48495 + ... + 49178.

It is an arithmetic number, because the mean of its divisors is an integer number (3174405).

Almost surely, 2^33404166 is an apocalyptic number.

33404166 is an abundant number, since it is smaller than the sum of its proper divisors (42781554).

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

33404166 is a wasteful number, since it uses less digits than its factorization.

33404166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97700 (or 97697 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 33404166 is about 5779.6337254189. The cubic root of 33404166 is about 322.0575942141.

Adding to 33404166 its reverse (66140433), we get a palindrome (99544599).

The spelling of 33404166 in words is "thirty-three million, four hundred four thousand, one hundred sixty-six".