3205943 has 4 divisors (see below), whose sum is σ = 3452568. Its totient is φ = 2959320.

The previous prime is 3205919. The next prime is 3205949. The reversal of 3205943 is 3495023.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3205943 - 2⁶ = 3205879 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123293 + ... + 123318.

It is an arithmetic number, because the mean of its divisors is an integer number (863142).

Almost surely, 2^3205943 is an apocalyptic number.

3205943 is a deficient number, since it is larger than the sum of its proper divisors (246625).

3205943 is a wasteful number, since it uses less digits than its factorization.

3205943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246624.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 3205943 is about 1790.5147304616. The cubic root of 3205943 is about 147.4524293593.

The spelling of 3205943 in words is "three million, two hundred five thousand, nine hundred forty-three".