3213406 has 8 divisors (see below), whose sum is σ = 5508720. Its totient is φ = 1377168.

The previous prime is 3213401. The next prime is 3213421. The reversal of 3213406 is 6043123.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114751 + ... + 114778.

It is an arithmetic number, because the mean of its divisors is an integer number (688590).

Almost surely, 2^3213406 is an apocalyptic number.

3213406 is a deficient number, since it is larger than the sum of its proper divisors (2295314).

3213406 is a wasteful number, since it uses less digits than its factorization.

3213406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229538.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3213406 is about 1792.5975566200. The cubic root of 3213406 is about 147.5667571035.

Adding to 3213406 its reverse (6043123), we get a palindrome (9256529).

The spelling of 3213406 in words is "three million, two hundred thirteen thousand, four hundred six".