1000322432 has 64 divisors (see below), whose sum is σ = 2155170240. Its totient is φ = 460677120.

The previous prime is 1000322423. The next prime is 1000322437. The reversal of 1000322432 is 2342230001.

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1000322432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000322437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97382 + ... + 107162.

It is an arithmetic number, because the mean of its divisors is an integer number (33674535).

Almost surely, 2^1000322432 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 1000322432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1077585120).

1000322432 is an abundant number, since it is smaller than the sum of its proper divisors (1154847808).

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

1000322432 is an equidigital number, since it uses as much as digits as its factorization.

1000322432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9859 (or 9847 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1000322432 is about 31627.8742883552. The cubic root of 1000322432 is about 1000.1074657840.

Adding to 1000322432 its reverse (2342230001), we get a palindrome (3342552433).

The spelling of 1000322432 in words is "one billion, three hundred twenty-two thousand, four hundred thirty-two".