32243456 has 72 divisors (see below), whose sum is σ = 77508480. Its totient is φ = 13077504.

The previous prime is 32243381. The next prime is 32243459. The reversal of 32243456 is 65434223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32243459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33575 + ... + 34521.

Almost surely, 2^32243456 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 32243456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38754240).

32243456 is an abundant number, since it is smaller than the sum of its proper divisors (45265024).

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

32243456 is an equidigital number, since it uses as much as digits as its factorization.

32243456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989 (or 975 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 32243456 is about 5678.3321494960. The cubic root of 32243456 is about 318.2833069845.

Adding to 32243456 its reverse (65434223), we get a palindrome (97677679).

The spelling of 32243456 in words is "thirty-two million, two hundred forty-three thousand, four hundred fifty-six".