6840258 has 16 divisors (see below), whose sum is σ = 13719456. Its totient is φ = 2273600.

The previous prime is 6840257. The next prime is 6840263. The reversal of 6840258 is 8520486.

6840258 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (6840257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985 + ... + 3827.

It is an arithmetic number, because the mean of its divisors is an integer number (857466).

Almost surely, 2^6840258 is an apocalyptic number.

6840258 is an abundant number, since it is smaller than the sum of its proper divisors (6879198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6840258 is a wasteful number, since it uses less digits than its factorization.

6840258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3249.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 6840258 is about 2615.3886900421. The cubic root of 6840258 is about 189.8267858116.

The spelling of 6840258 in words is "six million, eight hundred forty thousand, two hundred fifty-eight".