853880420 has 24 divisors (see below), whose sum is σ = 1898628984. Its totient is φ = 321460736.

The previous prime is 853880411. The next prime is 853880441. The reversal of 853880420 is 24088358.

853880420 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 4 ways, for example, as 55026724 + 798853696 = 7418^2 + 28264^2 .

It is a super-2 number, since 2×853880420² = 1458223543318752800, which contains 22 as substring.

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, 1255367 + ... + 1256046.

It is an arithmetic number, because the mean of its divisors is an integer number (79109541).

Almost surely, 2^853880420 is an apocalyptic number.

It is an amenable number.

853880420 is an abundant number, since it is smaller than the sum of its proper divisors (1044748564).

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

853880420 is a wasteful number, since it uses less digits than its factorization.

853880420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511439 (or 2511437 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 853880420 is about 29221.2323490985. The cubic root of 853880420 is about 948.7075388217.

The spelling of 853880420 in words is "eight hundred fifty-three million, eight hundred eighty thousand, four hundred twenty".