3213733 has 4 divisors (see below), whose sum is σ = 3235168. Its totient is φ = 3192300.

The previous prime is 3213689. The next prime is 3213737. The reversal of 3213733 is 3373123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3213733 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 (3213737) 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, 10491 + ... + 10792.

It is an arithmetic number, because the mean of its divisors is an integer number (808792).

Almost surely, 2^3213733 is an apocalyptic number.

It is an amenable number.

3213733 is a deficient number, since it is larger than the sum of its proper divisors (21435).

3213733 is a wasteful number, since it uses less digits than its factorization.

3213733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21434.

The product of its digits is 1134, while the sum is 22.

The square root of 3213733 is about 1792.6887627249. The cubic root of 3213733 is about 147.5717624563.

Adding to 3213733 its reverse (3373123), we get a palindrome (6586856).

The spelling of 3213733 in words is "three million, two hundred thirteen thousand, seven hundred thirty-three".