3213999 has 10 divisors (see below), whose sum is σ = 4801280. Its totient is φ = 2142612.

The previous prime is 3213979. The next prime is 3214007. The reversal of 3213999 is 9993123.

3213999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3213999 - 2¹⁶ = 3148463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213979) 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 9 ways as a sum of consecutive naturals, for example, 19759 + ... + 19920.

It is an arithmetic number, because the mean of its divisors is an integer number (480128).

Almost surely, 2^3213999 is an apocalyptic number.

3213999 is a deficient number, since it is larger than the sum of its proper divisors (1587281).

3213999 is an equidigital number, since it uses as much as digits as its factorization.

3213999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39691 (or 39682 counting only the distinct ones).

The product of its digits is 13122, while the sum is 36.

The square root of 3213999 is about 1792.7629514244. The cubic root of 3213999 is about 147.5758338385.

The spelling of 3213999 in words is "three million, two hundred thirteen thousand, nine hundred ninety-nine".