6985563 has 32 divisors (see below), whose sum is σ = 10622976. Its totient is φ = 4053888.

The previous prime is 6985553. The next prime is 6985579. The reversal of 6985563 is 3655896.

It is not a de Polignac number, because 6985563 - 2⁶ = 6985499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6985513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67770 + ... + 67872.

It is an arithmetic number, because the mean of its divisors is an integer number (331968).

Almost surely, 2^6985563 is an apocalyptic number.

6985563 is a deficient number, since it is larger than the sum of its proper divisors (3637413).

6985563 is a wasteful number, since it uses less digits than its factorization.

6985563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203.

The product of its digits is 194400, while the sum is 42.

The square root of 6985563 is about 2643.0215663138. The cubic root of 6985563 is about 191.1615182997.

The spelling of 6985563 in words is "six million, nine hundred eighty-five thousand, five hundred sixty-three".