6843479 has 2 divisors, whose sum is σ = 6843480. Its totient is φ = 6843478.

The previous prime is 6843461. The next prime is 6843491. The reversal of 6843479 is 9743486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6843479 - 2¹⁶ = 6777943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6843379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3421739 + 3421740.

It is an arithmetic number, because the mean of its divisors is an integer number (3421740).

Almost surely, 2^6843479 is an apocalyptic number.

6843479 is a deficient number, since it is larger than the sum of its proper divisors (1).

6843479 is an equidigital number, since it uses as much as digits as its factorization.

6843479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 6843479 is about 2616.0043960208. The cubic root of 6843479 is about 189.8565768970.

The spelling of 6843479 in words is "six million, eight hundred forty-three thousand, four hundred seventy-nine".