6864061 has 4 divisors (see below), whose sum is σ = 6932124. Its totient is φ = 6796000.

The previous prime is 6864059. The next prime is 6864079. The reversal of 6864061 is 1604686.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6661561 + 202500 = 2581^2 + 450^2 .

It is a cyclic number.

It is not a de Polignac number, because 6864061 - 2¹ = 6864059 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

6864061 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6864031) 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, 33880 + ... + 34081.

It is an arithmetic number, because the mean of its divisors is an integer number (1733031).

Almost surely, 2^6864061 is an apocalyptic number.

It is an amenable number.

6864061 is a deficient number, since it is larger than the sum of its proper divisors (68063).

6864061 is a wasteful number, since it uses less digits than its factorization.

6864061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68062.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 6864061 is about 2619.9353045448. The cubic root of 6864061 is about 190.0467198129.

The spelling of 6864061 in words is "six million, eight hundred sixty-four thousand, sixty-one".