6830988 has 12 divisors (see below), whose sum is σ = 15939000. Its totient is φ = 2276992.

The previous prime is 6830959. The next prime is 6831007. The reversal of 6830988 is 8890386.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×6830988² = 93324794112288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 284613 + ... + 284636.

It is an arithmetic number, because the mean of its divisors is an integer number (1328250).

Almost surely, 2^6830988 is an apocalyptic number.

It is an amenable number.

6830988 is an abundant number, since it is smaller than the sum of its proper divisors (9108012).

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

6830988 is a wasteful number, since it uses less digits than its factorization.

6830988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569256 (or 569254 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 6830988 is about 2613.6158860858. The cubic root of 6830988 is about 189.7409951966.

The spelling of 6830988 in words is "six million, eight hundred thirty thousand, nine hundred eighty-eight".