6855930 has 48 divisors (see below), whose sum is σ = 18878184. Its totient is φ = 1720320.

The previous prime is 6855923. The next prime is 6855931. The reversal of 6855930 is 395586.

6855930 is a `hidden beast` number, since 68 + 5 + 593 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6671889 + 184041 = 2583^2 + 429^2 .

It is not an unprimeable number, because it can be changed into a prime (6855931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 711 + ... + 3770.

Almost surely, 2^6855930 is an apocalyptic number.

6855930 is an abundant number, since it is smaller than the sum of its proper divisors (12022254).

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

6855930 is a wasteful number, since it uses less digits than its factorization.

6855930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4511 (or 4508 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 6855930 is about 2618.3830888546. The cubic root of 6855930 is about 189.9716485859.

The spelling of 6855930 in words is "six million, eight hundred fifty-five thousand, nine hundred thirty".