6240865 has 8 divisors (see below), whose sum is σ = 7540200. Its totient is φ = 4958592.

The previous prime is 6240851. The next prime is 6240869. The reversal of 6240865 is 5680426.

6240865 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 55696 + 6185169 = 236^2 + 2487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6240865 - 2⁷ = 6240737 is a prime.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (6240869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3444 + ... + 4933.

It is an arithmetic number, because the mean of its divisors is an integer number (942525).

Almost surely, 2^6240865 is an apocalyptic number.

It is an amenable number.

6240865 is a deficient number, since it is larger than the sum of its proper divisors (1299335).

6240865 is a wasteful number, since it uses less digits than its factorization.

6240865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8531.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 6240865 is about 2498.1723319259. The cubic root of 6240865 is about 184.1117881664. Note that the first 3 decimals are identical.

The spelling of 6240865 in words is "six million, two hundred forty thousand, eight hundred sixty-five".