6909830 has 16 divisors (see below), whose sum is σ = 12867120. Its totient is φ = 2668512.

The previous prime is 6909827. The next prime is 6909841. The reversal of 6909830 is 389096.

It is an alternating number because its digits alternate between even and odd.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11624 + ... + 12203.

It is an arithmetic number, because the mean of its divisors is an integer number (804195).

Almost surely, 2^6909830 is an apocalyptic number.

6909830 is a deficient number, since it is larger than the sum of its proper divisors (5957290).

6909830 is a wasteful number, since it uses less digits than its factorization.

6909830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23863.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 6909830 is about 2628.6555498962. The cubic root of 6909830 is about 190.4681897731.

The spelling of 6909830 in words is "six million, nine hundred nine thousand, eight hundred thirty".