6866938 has 8 divisors (see below), whose sum is σ = 11092788. Its totient is φ = 3169344.

The previous prime is 6866933. The next prime is 6866957. The reversal of 6866938 is 8396686.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5184729 + 1682209 = 2277^2 + 1297^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6866933) 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, 132031 + ... + 132082.

Almost surely, 2^6866938 is an apocalyptic number.

6866938 is a deficient number, since it is larger than the sum of its proper divisors (4225850).

6866938 is a wasteful number, since it uses less digits than its factorization.

6866938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264128.

The product of its digits is 373248, while the sum is 46.

The square root of 6866938 is about 2620.4843063831. The cubic root of 6866938 is about 190.0732681415.

The spelling of 6866938 in words is "six million, eight hundred sixty-six thousand, nine hundred thirty-eight".