6938563 has 4 divisors (see below), whose sum is σ = 7086240. Its totient is φ = 6790888.

The previous prime is 6938557. The next prime is 6938579. The reversal of 6938563 is 3658396.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6938563 - 2⁵ = 6938531 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6938263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73768 + ... + 73861.

It is an arithmetic number, because the mean of its divisors is an integer number (1771560).

Almost surely, 2^6938563 is an apocalyptic number.

6938563 is a deficient number, since it is larger than the sum of its proper divisors (147677).

6938563 is a wasteful number, since it uses less digits than its factorization.

6938563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147676.

The product of its digits is 116640, while the sum is 40.

The square root of 6938563 is about 2634.1152214738. The cubic root of 6938563 is about 190.7318312939.

The spelling of 6938563 in words is "six million, nine hundred thirty-eight thousand, five hundred sixty-three".