32245664 has 48 divisors (see below), whose sum is σ = 70017696. Its totient is φ = 14496000.

The previous prime is 32245663. The next prime is 32245711. The reversal of 32245664 is 46654223.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 32245664.

It is not an unprimeable number, because it can be changed into a prime (32245663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35099 + ... + 36005.

It is an arithmetic number, because the mean of its divisors is an integer number (1458702).

Almost surely, 2^32245664 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 32245664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35008848).

32245664 is an abundant number, since it is smaller than the sum of its proper divisors (37772032).

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

32245664 is a wasteful number, since it uses less digits than its factorization.

32245664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 1021 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 32245664 is about 5678.5265694544. The cubic root of 32245664 is about 318.2905720608.

Adding to 32245664 its reverse (46654223), we get a palindrome (78899887).

It can be divided in two parts, 3224 and 5664, that added together give a palindrome (8888).

The spelling of 32245664 in words is "thirty-two million, two hundred forty-five thousand, six hundred sixty-four".