32444664 has 96 divisors (see below), whose sum is σ = 96526080. Its totient is φ = 9057216.

The previous prime is 32444663. The next prime is 32444669. The reversal of 32444664 is 46644423.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32444663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54979 + ... + 55565.

It is an arithmetic number, because the mean of its divisors is an integer number (1005480).

Almost surely, 2^32444664 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 32444664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48263040).

32444664 is an abundant number, since it is smaller than the sum of its proper divisors (64081416).

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

32444664 is a wasteful number, since it uses less digits than its factorization.

32444664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 646 counting only the distinct ones).

The product of its digits is 55296, while the sum is 33.

The square root of 32444664 is about 5696.0217696213. The cubic root of 32444664 is about 318.9439929451.

The spelling of 32444664 in words is "thirty-two million, four hundred forty-four thousand, six hundred sixty-four".