3213993 has 8 divisors (see below), whose sum is σ = 4293856. Its totient is φ = 2138400.

The previous prime is 3213979. The next prime is 3214007. The reversal of 3213993 is 3993123.

It is an interprime number because it is at equal distance from previous prime (3213979) and next prime (3214007).

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

It is not a de Polignac number, because 3213993 - 2⁵ = 3213961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3213993.

It is not an unprimeable number, because it can be changed into a prime (3213593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1773 + ... + 3093.

It is an arithmetic number, because the mean of its divisors is an integer number (536732).

Almost surely, 2^3213993 is an apocalyptic number.

It is an amenable number.

3213993 is a deficient number, since it is larger than the sum of its proper divisors (1079863).

3213993 is a wasteful number, since it uses less digits than its factorization.

3213993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its digits is 4374, while the sum is 30.

The square root of 3213993 is about 1792.7612780290. The cubic root of 3213993 is about 147.5757420053.

The spelling of 3213993 in words is "three million, two hundred thirteen thousand, nine hundred ninety-three".