6854220 has 60 divisors (see below), whose sum is σ = 21507024. Its totient is φ = 1827360.

The previous prime is 6854219. The next prime is 6854233. The reversal of 6854220 is 224586.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 496 + ... + 3735.

Almost surely, 2^6854220 is an apocalyptic number.

6854220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6854220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10753512).

6854220 is an abundant number, since it is smaller than the sum of its proper divisors (14652804).

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

6854220 is a wasteful number, since it uses less digits than its factorization.

6854220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252 (or 4241 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 6854220 is about 2618.0565310932. The cubic root of 6854220 is about 189.9558530857.

The spelling of 6854220 in words is "six million, eight hundred fifty-four thousand, two hundred twenty".