3240309 has 16 divisors (see below), whose sum is σ = 4552704. Its totient is φ = 2046000.

The previous prime is 3240299. The next prime is 3240311. The reversal of 3240309 is 9030423.

It is a de Polignac number, because none of the positive numbers 2^k-3240309 is a prime.

3240309 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10264 + ... + 10574.

It is an arithmetic number, because the mean of its divisors is an integer number (284544).

Almost surely, 2^3240309 is an apocalyptic number.

It is an amenable number.

3240309 is a deficient number, since it is larger than the sum of its proper divisors (1312395).

3240309 is a wasteful number, since it uses less digits than its factorization.

3240309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 3240309 is about 1800.0858312869. The cubic root of 3240309 is about 147.9774283815.

The spelling of 3240309 in words is "three million, two hundred forty thousand, three hundred nine".