6865538 has 8 divisors (see below), whose sum is σ = 10310160. Its totient is φ = 3428820.

The previous prime is 6865531. The next prime is 6865543. The reversal of 6865538 is 8355686.

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

It is a super-2 number, since 2×6865538² = 94271224058888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6865495 and 6865504.

It is not an unprimeable number, because it can be changed into a prime (6865531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253 + ... + 3911.

It is an arithmetic number, because the mean of its divisors is an integer number (1288770).

Almost surely, 2^6865538 is an apocalyptic number.

6865538 is a deficient number, since it is larger than the sum of its proper divisors (3444622).

6865538 is a wasteful number, since it uses less digits than its factorization.

6865538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952.

The product of its digits is 172800, while the sum is 41.

The square root of 6865538 is about 2620.2171665723. The cubic root of 6865538 is about 190.0603501732.

The spelling of 6865538 in words is "six million, eight hundred sixty-five thousand, five hundred thirty-eight".