6840193 has 4 divisors (see below), whose sum is σ = 6847408. Its totient is φ = 6832980.

The previous prime is 6840187. The next prime is 6840199. The reversal of 6840193 is 3910486.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (6840187) and next prime (6840199).

It is a cyclic number.

It is not a de Polignac number, because 6840193 - 2⁵ = 6840161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6840199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1923 + ... + 4168.

It is an arithmetic number, because the mean of its divisors is an integer number (1711852).

Almost surely, 2^6840193 is an apocalyptic number.

It is an amenable number.

6840193 is a deficient number, since it is larger than the sum of its proper divisors (7215).

6840193 is a wasteful number, since it uses less digits than its factorization.

6840193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7214.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 6840193 is about 2615.3762635613. The cubic root of 6840193 is about 189.8261845292.

The spelling of 6840193 in words is "six million, eight hundred forty thousand, one hundred ninety-three".