6864036 has 24 divisors (see below), whose sum is σ = 16198560. Its totient is φ = 2261952.

The previous prime is 6864031. The next prime is 6864043. The reversal of 6864036 is 6304686.

It is a super-2 number, since 2×6864036² = 94229980418592, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6863988 and 6864006.

It is not an unprimeable number, because it can be changed into a prime (6864031) 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 7 ways as a sum of consecutive naturals, for example, 2146 + ... + 4281.

It is an arithmetic number, because the mean of its divisors is an integer number (674940).

Almost surely, 2^6864036 is an apocalyptic number.

It is an amenable number.

6864036 is an abundant number, since it is smaller than the sum of its proper divisors (9334524).

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

6864036 is a wasteful number, since it uses less digits than its factorization.

6864036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6523 (or 6521 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 6864036 is about 2619.9305334302. The cubic root of 6864036 is about 190.0464890858.

The spelling of 6864036 in words is "six million, eight hundred sixty-four thousand, thirty-six".