6853220 has 24 divisors (see below), whose sum is σ = 15700608. Its totient is φ = 2492000.

The previous prime is 6853219. The next prime is 6853247. The reversal of 6853220 is 223586.

It is a self number, because there is not a number n which added to its sum of digits gives 6853220.

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, 15356 + ... + 15795.

It is an arithmetic number, because the mean of its divisors is an integer number (654192).

Almost surely, 2^6853220 is an apocalyptic number.

It is an amenable number.

6853220 is an abundant number, since it is smaller than the sum of its proper divisors (8847388).

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

6853220 is a wasteful number, since it uses less digits than its factorization.

6853220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31171 (or 31169 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 6853220 is about 2617.8655427657. The cubic root of 6853220 is about 189.9466147337.

The spelling of 6853220 in words is "six million, eight hundred fifty-three thousand, two hundred twenty".