32649216 has 52 divisors (see below), whose sum is σ = 87086712. Its totient is φ = 10878976.

The previous prime is 32649187. The next prime is 32649223. The reversal of 32649216 is 61294623.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10960 + ... + 13616.

Almost surely, 2^32649216 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 32649216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43543356).

32649216 is an abundant number, since it is smaller than the sum of its proper divisors (54437496).

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

32649216 is an equidigital number, since it uses as much as digits as its factorization.

32649216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684 (or 2662 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 32649216 is about 5713.9492472370. The cubic root of 32649216 is about 319.6128651679.

The spelling of 32649216 in words is "thirty-two million, six hundred forty-nine thousand, two hundred sixteen".