6938863 has 4 divisors (see below), whose sum is σ = 6945480. Its totient is φ = 6932248.

The previous prime is 6938861. The next prime is 6938891. The reversal of 6938863 is 3688396.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6938863 - 2¹ = 6938861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6938861) 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, 1348 + ... + 3961.

It is an arithmetic number, because the mean of its divisors is an integer number (1736370).

Almost surely, 2^6938863 is an apocalyptic number.

6938863 is a deficient number, since it is larger than the sum of its proper divisors (6617).

6938863 is a wasteful number, since it uses less digits than its factorization.

6938863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6616.

The product of its digits is 186624, while the sum is 43.

The square root of 6938863 is about 2634.1721659755. The cubic root of 6938863 is about 190.7345801208.

It can be divided in two parts, 693886 and 3, that added together give a square (693889 = 833²).

The spelling of 6938863 in words is "six million, nine hundred thirty-eight thousand, eight hundred sixty-three".