6984609 has 16 divisors (see below), whose sum is σ = 9871680. Its totient is φ = 4380480.

The previous prime is 6984587. The next prime is 6984613. The reversal of 6984609 is 9064896.

It is not a de Polignac number, because 6984609 - 2⁸ = 6984353 is a prime.

6984609 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6984629) 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 15 ways as a sum of consecutive naturals, for example, 9979 + ... + 10655.

It is an arithmetic number, because the mean of its divisors is an integer number (616980).

Almost surely, 2^6984609 is an apocalyptic number.

It is an amenable number.

6984609 is a deficient number, since it is larger than the sum of its proper divisors (2887071).

6984609 is a wasteful number, since it uses less digits than its factorization.

6984609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 6984609 is about 2642.8410848933. The cubic root of 6984609 is about 191.1528157613.

The spelling of 6984609 in words is "six million, nine hundred eighty-four thousand, six hundred nine".