3218990 has 16 divisors (see below), whose sum is σ = 5816448. Its totient is φ = 1282656.

The previous prime is 3218987. The next prime is 3218993. The reversal of 3218990 is 998123.

3218990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3218987) and next prime (3218993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3218993) 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, 3299 + ... + 4161.

It is an arithmetic number, because the mean of its divisors is an integer number (363528).

Almost surely, 2^3218990 is an apocalyptic number.

3218990 is a deficient number, since it is larger than the sum of its proper divisors (2597458).

3218990 is a wasteful number, since it uses less digits than its factorization.

3218990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 3218990 is about 1794.1543969235. The cubic root of 3218990 is about 147.6521842101.

The spelling of 3218990 in words is "three million, two hundred eighteen thousand, nine hundred ninety".