33405104 has 20 divisors (see below), whose sum is σ = 66811200. Its totient is φ = 16163520.

The previous prime is 33405103. The next prime is 33405107. The reversal of 33405104 is 40150433.

33405104 is an admirable number.

It is a super-2 number, since 2×33405104² = 2231801946501632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33405103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33179 + ... + 34170.

It is an arithmetic number, because the mean of its divisors is an integer number (3340560).

Almost surely, 2^33405104 is an apocalyptic number.

It is an amenable number.

33405104 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.

33405104 is a wasteful number, since it uses less digits than its factorization.

33405104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67388 (or 67382 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 33405104 is about 5779.7148718600. The cubic root of 33405104 is about 322.0606086804.

Adding to 33405104 its reverse (40150433), we get a palindrome (73555537).

The spelling of 33405104 in words is "thirty-three million, four hundred five thousand, one hundred four".