3218830 has 16 divisors (see below), whose sum is σ = 5815440. Its totient is φ = 1282752.

The previous prime is 3218819. The next prime is 3218837. The reversal of 3218830 is 388123.

3218830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3218795 and 3218804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3218837) 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, 3697 + ... + 4483.

It is an arithmetic number, because the mean of its divisors is an integer number (363465).

Almost surely, 2^3218830 is an apocalyptic number.

3218830 is a deficient number, since it is larger than the sum of its proper divisors (2596610).

3218830 is a wasteful number, since it uses less digits than its factorization.

3218830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 3218830 is about 1794.1098071188. The cubic root of 3218830 is about 147.6497378174.

The spelling of 3218830 in words is "three million, two hundred eighteen thousand, eight hundred thirty".