33944380 has 48 divisors (see below), whose sum is σ = 75043584. Its totient is φ = 12879360.

The previous prime is 33944369. The next prime is 33944399. The reversal of 33944380 is 8344933.

33944380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32344 + ... + 33376.

It is an arithmetic number, because the mean of its divisors is an integer number (1563408).

Almost surely, 2^33944380 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 33944380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37521792).

33944380 is an abundant number, since it is smaller than the sum of its proper divisors (41099204).

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

33944380 is a wasteful number, since it uses less digits than its factorization.

33944380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 33944380 is about 5826.1805670611. The cubic root of 33944380 is about 323.7844295858.

The spelling of 33944380 in words is "thirty-three million, nine hundred forty-four thousand, three hundred eighty".