33097216 has 40 divisors (see below), whose sum is σ = 66781440. Its totient is φ = 16386048.

The previous prime is 33097213. The next prime is 33097219. The reversal of 33097216 is 61279033.

It is an interprime number because it is at equal distance from previous prime (33097213) and next prime (33097219).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33097213) 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, 64770 + ... + 65278.

It is an arithmetic number, because the mean of its divisors is an integer number (1669536).

Almost surely, 2^33097216 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 33097216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33390720).

33097216 is an abundant number, since it is smaller than the sum of its proper divisors (33684224).

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

33097216 is an equidigital number, since it uses as much as digits as its factorization.

33097216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 33097216 is about 5753.0179905855. The cubic root of 33097216 is about 321.0680975986.

The spelling of 33097216 in words is "thirty-three million, ninety-seven thousand, two hundred sixteen".