3205916 has 24 divisors (see below), whose sum is σ = 6520416. Its totient is φ = 1350720.

The previous prime is 3205907. The next prime is 3205919. The reversal of 3205916 is 6195023.

3205916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770 + ... + 2646.

It is an arithmetic number, because the mean of its divisors is an integer number (271684).

Almost surely, 2^3205916 is an apocalyptic number.

It is an amenable number.

3205916 is an abundant number, since it is smaller than the sum of its proper divisors (3314500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3205916 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (3205915) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (1949).

3205916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949 (or 1947 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 3205916 is about 1790.5071907144. The cubic root of 3205916 is about 147.4520154170.

The spelling of 3205916 in words is "three million, two hundred five thousand, nine hundred sixteen".