6864630 has 32 divisors (see below), whose sum is σ = 16879968. Its totient is φ = 1785600.

The previous prime is 6864629. The next prime is 6864631. The reversal of 6864630 is 364686.

It is an interprime number because it is at equal distance from previous prime (6864629) and next prime (6864631).

It is a junction number, because it is equal to n+sod(n) for n = 6864591 and 6864600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6864631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1561 + ... + 4020.

It is an arithmetic number, because the mean of its divisors is an integer number (527499).

Almost surely, 2^6864630 is an apocalyptic number.

6864630 is an abundant number, since it is smaller than the sum of its proper divisors (10015338).

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

6864630 is a wasteful number, since it uses less digits than its factorization.

6864630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5632.

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

The square root of 6864630 is about 2620.0438927621. The cubic root of 6864630 is about 190.0519710092.

The spelling of 6864630 in words is "six million, eight hundred sixty-four thousand, six hundred thirty".