853809124 has 18 divisors (see below), whose sum is σ = 1738111830. Its totient is φ = 365918112.

The previous prime is 853809113. The next prime is 853809167. The reversal of 853809124 is 421908358.

853809124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 793436224 + 60372900 = 28168^2 + 7770^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2177889 + ... + 2178280.

Almost surely, 2^853809124 is an apocalyptic number.

It is an amenable number.

853809124 is an abundant number, since it is smaller than the sum of its proper divisors (884302706).

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

853809124 is a wasteful number, since it uses less digits than its factorization.

853809124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4356187 (or 4356178 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 853809124 is about 29220.0123887722. The cubic root of 853809124 is about 948.6811335102.

The spelling of 853809124 in words is "eight hundred fifty-three million, eight hundred nine thousand, one hundred twenty-four".