6678243 has 24 divisors (see below), whose sum is σ = 11334960. Its totient is φ = 3735360.

The previous prime is 6678233. The next prime is 6678247. The reversal of 6678243 is 3428766.

It is not a de Polignac number, because 6678243 - 2⁴ = 6678227 is a prime.

6678243 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6678198 and 6678207.

It is not an unprimeable number, because it can be changed into a prime (6678247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1308 + ... + 3881.

It is an arithmetic number, because the mean of its divisors is an integer number (472290).

Almost surely, 2^6678243 is an apocalyptic number.

6678243 is a deficient number, since it is larger than the sum of its proper divisors (4656717).

6678243 is a wasteful number, since it uses less digits than its factorization.

6678243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5219 (or 5216 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 6678243 is about 2584.2296724556. The cubic root of 6678243 is about 188.3160802496.

The spelling of 6678243 in words is "six million, six hundred seventy-eight thousand, two hundred forty-three".