6943138 has 4 divisors (see below), whose sum is σ = 10414710. Its totient is φ = 3471568.

The previous prime is 6943129. The next prime is 6943141. The reversal of 6943138 is 8313496.

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

It can be written as a sum of positive squares in only one way, i.e., 6796449 + 146689 = 2607^2 + 383^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1735783 + ... + 1735786.

Almost surely, 2^6943138 is an apocalyptic number.

6943138 is a deficient number, since it is larger than the sum of its proper divisors (3471572).

6943138 is a wasteful number, since it uses less digits than its factorization.

6943138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471571.

The product of its digits is 15552, while the sum is 34.

The square root of 6943138 is about 2634.9834914094. The cubic root of 6943138 is about 190.7737422974.

The spelling of 6943138 in words is "six million, nine hundred forty-three thousand, one hundred thirty-eight".