6830520 has 32 divisors (see below), whose sum is σ = 20491920. Its totient is φ = 1821440.

The previous prime is 6830513. The next prime is 6830521. The reversal of 6830520 is 250386.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6830521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28341 + ... + 28580.

Almost surely, 2^6830520 is an apocalyptic number.

6830520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6830520 is an abundant number, since it is smaller than the sum of its proper divisors (13661400).

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

6830520 is a wasteful number, since it uses less digits than its factorization.

6830520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56935 (or 56931 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 6830520 is about 2613.5263534160. The cubic root of 6830520 is about 189.7366619623.

The spelling of 6830520 in words is "six million, eight hundred thirty thousand, five hundred twenty".