1000921344 has 36 divisors (see below), whose sum is σ = 2663912496. Its totient is φ = 333640192.

The previous prime is 1000921331. The next prime is 1000921379. The reversal of 1000921344 is 4431290001.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650874 + ... + 652409.

Almost surely, 2^1000921344 is an apocalyptic number.

It is an amenable number.

1000921344 is an abundant number, since it is smaller than the sum of its proper divisors (1662991152).

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

1000921344 is an equidigital number, since it uses as much as digits as its factorization.

1000921344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303302 (or 1303288 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1000921344 is about 31637.3409754992. The cubic root of 1000921344 is about 1000.3070203955.

The spelling of 1000921344 in words is "one billion, nine hundred twenty-one thousand, three hundred forty-four".