6859240 has 16 divisors (see below), whose sum is σ = 15433380. Its totient is φ = 2743680.

The previous prime is 6859217. The next prime is 6859241. The reversal of 6859240 is 429586.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6832996 + 26244 = 2614^2 + 162^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6859196 and 6859205.

It is not an unprimeable number, because it can be changed into a prime (6859241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85701 + ... + 85780.

Almost surely, 2^6859240 is an apocalyptic number.

It is an amenable number.

6859240 is an abundant number, since it is smaller than the sum of its proper divisors (8574140).

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

6859240 is a wasteful number, since it uses less digits than its factorization.

6859240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171492 (or 171488 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 6859240 is about 2619.0150820490. The cubic root of 6859240 is about 190.0022160406.

The spelling of 6859240 in words is "six million, eight hundred fifty-nine thousand, two hundred forty".