33993080 has 64 divisors (see below), whose sum is σ = 87091200. Its totient is φ = 11820160.

The previous prime is 33993049. The next prime is 33993083. The reversal of 33993080 is 8039933.

It is a self number, because there is not a number n which added to its sum of digits gives 33993080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33993083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8441 + ... + 11799.

It is an arithmetic number, because the mean of its divisors is an integer number (1360800).

Almost surely, 2^33993080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33993080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43545600).

33993080 is an abundant number, since it is smaller than the sum of its proper divisors (53098120).

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

33993080 is a wasteful number, since it uses less digits than its factorization.

33993080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404 (or 3400 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 33993080 is about 5830.3584795448. The cubic root of 33993080 is about 323.9392000937.

The spelling of 33993080 in words is "thirty-three million, nine hundred ninety-three thousand, eighty".