6985659 has 16 divisors (see below), whose sum is σ = 9642240. Its totient is φ = 4496160.

The previous prime is 6985639. The next prime is 6985679. The reversal of 6985659 is 9565896.

It is an interprime number because it is at equal distance from previous prime (6985639) and next prime (6985679).

It is not a de Polignac number, because 6985659 - 2⁸ = 6985403 is a prime.

6985659 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6985609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10474 + ... + 11120.

It is an arithmetic number, because the mean of its divisors is an integer number (602640).

Almost surely, 2^6985659 is an apocalyptic number.

6985659 is a deficient number, since it is larger than the sum of its proper divisors (2656581).

6985659 is a wasteful number, since it uses less digits than its factorization.

6985659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770.

The product of its digits is 583200, while the sum is 48.

The square root of 6985659 is about 2643.0397272837. The cubic root of 6985659 is about 191.1623939829.

The spelling of 6985659 in words is "six million, nine hundred eighty-five thousand, six hundred fifty-nine".