6689435 has 8 divisors (see below), whose sum is σ = 8376480. Its totient is φ = 5118784.

The previous prime is 6689429. The next prime is 6689491. The reversal of 6689435 is 5349866.

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

It is a cyclic number.

It is not a de Polignac number, because 6689435 - 2¹⁰ = 6688411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6689392 and 6689401.

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 7 ways as a sum of consecutive naturals, for example, 28970 + ... + 29199.

It is an arithmetic number, because the mean of its divisors is an integer number (1047060).

Almost surely, 2^6689435 is an apocalyptic number.

6689435 is a deficient number, since it is larger than the sum of its proper divisors (1687045).

6689435 is a wasteful number, since it uses less digits than its factorization.

6689435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58197.

The product of its digits is 155520, while the sum is 41.

The square root of 6689435 is about 2586.3942081593. The cubic root of 6689435 is about 188.4212205427.

The spelling of 6689435 in words is "six million, six hundred eighty-nine thousand, four hundred thirty-five".