3240340 has 12 divisors (see below), whose sum is σ = 6804756. Its totient is φ = 1296128.

The previous prime is 3240329. The next prime is 3240359. The reversal of 3240340 is 430423.

It can be written as a sum of positive squares in 2 ways, for example, as 917764 + 2322576 = 958^2 + 1524^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80989 + ... + 81028.

It is an arithmetic number, because the mean of its divisors is an integer number (567063).

Almost surely, 2^3240340 is an apocalyptic number.

It is an amenable number.

3240340 is an abundant number, since it is smaller than the sum of its proper divisors (3564416).

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

3240340 is a wasteful number, since it uses less digits than its factorization.

3240340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162026 (or 162024 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 3240340 is about 1800.0944419669. The cubic root of 3240340 is about 147.9779002794.

Adding to 3240340 its reverse (430423), we get a palindrome (3670763).

The spelling of 3240340 in words is "three million, two hundred forty thousand, three hundred forty".