3212818 has 8 divisors (see below), whose sum is σ = 5507712. Its totient is φ = 1376916.

The previous prime is 3212791. The next prime is 3212819. The reversal of 3212818 is 8182123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3212818² = 20644399002248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3212792 and 3212801.

It is not an unprimeable number, because it can be changed into a prime (3212819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114730 + ... + 114757.

It is an arithmetic number, because the mean of its divisors is an integer number (688464).

Almost surely, 2^3212818 is an apocalyptic number.

3212818 is a deficient number, since it is larger than the sum of its proper divisors (2294894).

3212818 is a wasteful number, since it uses less digits than its factorization.

3212818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229496.

The product of its digits is 768, while the sum is 25.

The square root of 3212818 is about 1792.4335413063. The cubic root of 3212818 is about 147.5577557981.

The spelling of 3212818 in words is "three million, two hundred twelve thousand, eight hundred eighteen".