3213293 has 8 divisors (see below), whose sum is σ = 3317496. Its totient is φ = 3110400.

The previous prime is 3213283. The next prime is 3213349. The reversal of 3213293 is 3923123.

It can be written as a sum of positive squares in 4 ways, for example, as 611524 + 2601769 = 782^2 + 1613^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3213293 - 2⁴ = 3213277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213233) 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, 7205 + ... + 7637.

It is an arithmetic number, because the mean of its divisors is an integer number (414687).

Almost surely, 2^3213293 is an apocalyptic number.

It is an amenable number.

3213293 is a deficient number, since it is larger than the sum of its proper divisors (104203).

3213293 is a wasteful number, since it uses less digits than its factorization.

3213293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655.

The product of its digits is 972, while the sum is 23.

The square root of 3213293 is about 1792.5660378351. The cubic root of 3213293 is about 147.5650273460.

The spelling of 3213293 in words is "three million, two hundred thirteen thousand, two hundred ninety-three".