3209345 has 12 divisors (see below), whose sum is σ = 4092924. Its totient is φ = 2415360.

The previous prime is 3209341. The next prime is 3209363. The reversal of 3209345 is 5439023.

It can be written as a sum of positive squares in 6 ways, for example, as 309136 + 2900209 = 556^2 + 1703^2 .

It is not a de Polignac number, because 3209345 - 2² = 3209341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3209341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335 + ... + 2555.

It is an arithmetic number, because the mean of its divisors is an integer number (341077).

Almost surely, 2^3209345 is an apocalyptic number.

It is an amenable number.

3209345 is a deficient number, since it is larger than the sum of its proper divisors (883579).

3209345 is a wasteful number, since it uses less digits than its factorization.

3209345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260 (or 2243 counting only the distinct ones).

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

The square root of 3209345 is about 1791.4644847163. The cubic root of 3209345 is about 147.5045675115.

The spelling of 3209345 in words is "three million, two hundred nine thousand, three hundred forty-five".