6909698 has 8 divisors (see below), whose sum is σ = 10471692. Its totient is φ = 3419136.

The previous prime is 6909677. The next prime is 6909709. The reversal of 6909698 is 8969096.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6848689 + 61009 = 2617^2 + 247^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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

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, 17615 + ... + 18002.

Almost surely, 2^6909698 is an apocalyptic number.

6909698 is a deficient number, since it is larger than the sum of its proper divisors (3561994).

6909698 is a wasteful number, since it uses less digits than its factorization.

6909698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35716.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 6909698 is about 2628.6304418841. The cubic root of 6909698 is about 190.4669769135.

The spelling of 6909698 in words is "six million, nine hundred nine thousand, six hundred ninety-eight".