6966609 has 16 divisors (see below), whose sum is σ = 10144512. Its totient is φ = 4226688.

The previous prime is 6966569. The next prime is 6966613. The reversal of 6966609 is 9066696.

It is not a de Polignac number, because 6966609 - 2⁸ = 6966353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6966629) 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, 1624 + ... + 4070.

It is an arithmetic number, because the mean of its divisors is an integer number (634032).

Almost surely, 2^6966609 is an apocalyptic number.

It is an amenable number.

6966609 is a deficient number, since it is larger than the sum of its proper divisors (3177903).

6966609 is a wasteful number, since it uses less digits than its factorization.

6966609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 6966609 is about 2639.4334619384. The cubic root of 6966609 is about 190.9884681871.

The spelling of 6966609 in words is "six million, nine hundred sixty-six thousand, six hundred nine".