6864464 has 20 divisors (see below), whose sum is σ = 14082804. Its totient is φ = 3230208.

The previous prime is 6864461. The next prime is 6864479. The reversal of 6864464 is 4644686.

It can be written as a sum of positive squares in 2 ways, for example, as 5326864 + 1537600 = 2308^2 + 1240^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6864461) 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, 12347 + ... + 12890.

Almost surely, 2^6864464 is an apocalyptic number.

It is an amenable number.

6864464 is an abundant number, since it is smaller than the sum of its proper divisors (7218340).

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

6864464 is a wasteful number, since it uses less digits than its factorization.

6864464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25262 (or 25256 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 6864464 is about 2620.0122137120. The cubic root of 6864464 is about 190.0504390557.

It can be divided in two parts, 68644 and 64, that multiplied together give a square (4393216 = 2096²).

The spelling of 6864464 in words is "six million, eight hundred sixty-four thousand, four hundred sixty-four".