1002321996 has 48 divisors (see below), whose sum is σ = 2520671328. Its totient is φ = 308160000.

The previous prime is 1002321979. The next prime is 1002321997. The reversal of 1002321996 is 6991232001.

It is not an unprimeable number, because it can be changed into a prime (1002321997) 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 15 ways as a sum of consecutive naturals, for example, 332496 + ... + 335496.

It is an arithmetic number, because the mean of its divisors is an integer number (52513986).

Almost surely, 2^1002321996 is an apocalyptic number.

It is an amenable number.

1002321996 is an abundant number, since it is smaller than the sum of its proper divisors (1518349332).

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

1002321996 is a wasteful number, since it uses less digits than its factorization.

1002321996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5162 (or 5160 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 1002321996 is about 31659.4692943517. The cubic root of 1002321996 is about 1000.7734003643.

Adding to 1002321996 its reverse (6991232001), we get a palindrome (7993553997).

The spelling of 1002321996 in words is "one billion, two million, three hundred twenty-one thousand, nine hundred ninety-six".