853683420 has 48 divisors (see below), whose sum is σ = 2414972448. Its totient is φ = 225300480.

The previous prime is 853683409. The next prime is 853683443. The reversal of 853683420 is 24386358.

853683420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67521 + ... + 79160.

It is an arithmetic number, because the mean of its divisors is an integer number (50311926).

Almost surely, 2^853683420 is an apocalyptic number.

It is an amenable number.

853683420 is an abundant number, since it is smaller than the sum of its proper divisors (1561289028).

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

853683420 is a wasteful number, since it uses less digits than its factorization.

853683420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146790 (or 146788 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 853683420 is about 29217.8613180363. The cubic root of 853683420 is about 948.6345739757.

It can be divided in two parts, 85368 and 3420, that added together give a palindrome (88788).

The spelling of 853683420 in words is "eight hundred fifty-three million, six hundred eighty-three thousand, four hundred twenty".