32889216 has 64 divisors (see below), whose sum is σ = 89535600. Its totient is φ = 10690560.

The previous prime is 32889211. The next prime is 32889221. The reversal of 32889216 is 61298823.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (32889211) and next prime (32889221).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32889211) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14700 + ... + 16788.

Almost surely, 2^32889216 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 32889216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44767800).

32889216 is an abundant number, since it is smaller than the sum of its proper divisors (56646384).

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

32889216 is a wasteful number, since it uses less digits than its factorization.

32889216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147 (or 2135 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 32889216 is about 5734.9120307115. The cubic root of 32889216 is about 320.3940977808.

The spelling of 32889216 in words is "thirty-two million, eight hundred eighty-nine thousand, two hundred sixteen".