6934309 has 4 divisors (see below), whose sum is σ = 7095616. Its totient is φ = 6773004.

The previous prime is 6934303. The next prime is 6934321. The reversal of 6934309 is 9034396.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6934309 is a prime.

It is an Ulam number.

It is a Duffinian number.

6934309 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6934303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80589 + ... + 80674.

It is an arithmetic number, because the mean of its divisors is an integer number (1773904).

Almost surely, 2^6934309 is an apocalyptic number.

It is an amenable number.

6934309 is a deficient number, since it is larger than the sum of its proper divisors (161307).

6934309 is a wasteful number, since it uses less digits than its factorization.

6934309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161306.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 6934309 is about 2633.3076159082. The cubic root of 6934309 is about 190.6928443989.

The spelling of 6934309 in words is "six million, nine hundred thirty-four thousand, three hundred nine".