6936191 has 4 divisors (see below), whose sum is σ = 7175400. Its totient is φ = 6696984.

The previous prime is 6936151. The next prime is 6936199. The reversal of 6936191 is 1916396.

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 6936191 - 2¹⁴ = 6919807 is a prime.

It is a super-2 number, since 2×6936191² = 96221491176962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6936199) 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, 119561 + ... + 119618.

It is an arithmetic number, because the mean of its divisors is an integer number (1793850).

Almost surely, 2^6936191 is an apocalyptic number.

6936191 is a deficient number, since it is larger than the sum of its proper divisors (239209).

6936191 is a wasteful number, since it uses less digits than its factorization.

6936191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239208.

The product of its digits is 8748, while the sum is 35.

The square root of 6936191 is about 2633.6649369272. The cubic root of 6936191 is about 190.7100944460.

The spelling of 6936191 in words is "six million, nine hundred thirty-six thousand, one hundred ninety-one".