6657343 has 16 divisors (see below), whose sum is σ = 8570880. Its totient is φ = 5018400.

The previous prime is 6657311. The next prime is 6657349. The reversal of 6657343 is 3437566.

It is a cyclic number.

It is not a de Polignac number, because 6657343 - 2⁵ = 6657311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6657299 and 6657308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6657349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 993 + ... + 3781.

It is an arithmetic number, because the mean of its divisors is an integer number (535680).

Almost surely, 2^6657343 is an apocalyptic number.

6657343 is a deficient number, since it is larger than the sum of its proper divisors (1913537).

6657343 is a wasteful number, since it uses less digits than its factorization.

6657343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838.

The product of its digits is 45360, while the sum is 34.

The square root of 6657343 is about 2580.1827454659. The cubic root of 6657343 is about 188.1194257794.

It can be divided in two parts, 665 and 7343, that added together give a palindrome (8008).

The spelling of 6657343 in words is "six million, six hundred fifty-seven thousand, three hundred forty-three".