1002861344 has 24 divisors (see below), whose sum is σ = 2078299440. Its totient is φ = 475039296.

The previous prime is 1002861329. The next prime is 1002861373. The reversal of 1002861344 is 4431682001.

1002861344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824114 + ... + 825329.

It is an arithmetic number, because the mean of its divisors is an integer number (86595810).

Almost surely, 2^1002861344 is an apocalyptic number.

It is an amenable number.

1002861344 is an abundant number, since it is smaller than the sum of its proper divisors (1075438096).

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

1002861344 is a wasteful number, since it uses less digits than its factorization.

1002861344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649472 (or 1649464 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1002861344 is about 31667.9861058451. The cubic root of 1002861344 is about 1000.9528730778.

The spelling of 1002861344 in words is "one billion, two million, eight hundred sixty-one thousand, three hundred forty-four".