873841644 has 36 divisors (see below), whose sum is σ = 2378792416. Its totient is φ = 268874208.

The previous prime is 873841637. The next prime is 873841697. The reversal of 873841644 is 446148378.

873841644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 873841644.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 933124 + ... + 934059.

Almost surely, 2^873841644 is an apocalyptic number.

It is an amenable number.

873841644 is an abundant number, since it is smaller than the sum of its proper divisors (1504950772).

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

873841644 is a wasteful number, since it uses less digits than its factorization.

873841644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867206 (or 1867201 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 873841644 is about 29560.8126410625. The cubic root of 873841644 is about 956.0433373210.

The spelling of 873841644 in words is "eight hundred seventy-three million, eight hundred forty-one thousand, six hundred forty-four".