869739140 has 24 divisors (see below), whose sum is σ = 1828381632. Its totient is φ = 347528160.

The previous prime is 869739103. The next prime is 869739163. The reversal of 869739140 is 41937968.

869739140 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 7 ways as a sum of consecutive naturals, for example, 3146 + ... + 41825.

It is an arithmetic number, because the mean of its divisors is an integer number (76182568).

Almost surely, 2^869739140 is an apocalyptic number.

It is an amenable number.

869739140 is an abundant number, since it is smaller than the sum of its proper divisors (958642492).

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

869739140 is a wasteful number, since it uses less digits than its factorization.

869739140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45947 (or 45945 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 869739140 is about 29491.3400848452. The cubic root of 869739140 is about 954.5448485779.

The spelling of 869739140 in words is "eight hundred sixty-nine million, seven hundred thirty-nine thousand, one hundred forty".