3213693 has 24 divisors (see below), whose sum is σ = 5491200. Its totient is φ = 1772064.

The previous prime is 3213689. The next prime is 3213737. The reversal of 3213693 is 3963123.

3213693 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 3213693 - 2² = 3213689 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213593) 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 23 ways as a sum of consecutive naturals, for example, 948 + ... + 2706.

It is an arithmetic number, because the mean of its divisors is an integer number (228800).

Almost surely, 2^3213693 is an apocalyptic number.

It is an amenable number.

3213693 is a deficient number, since it is larger than the sum of its proper divisors (2277507).

3213693 is a wasteful number, since it uses less digits than its factorization.

3213693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801 (or 1798 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 3213693 is about 1792.6776062639. The cubic root of 3213693 is about 147.5711501990.

The spelling of 3213693 in words is "three million, two hundred thirteen thousand, six hundred ninety-three".