3240688 has 20 divisors (see below), whose sum is σ = 6850008. Its totient is φ = 1472960.

The previous prime is 3240683. The next prime is 3240701. The reversal of 3240688 is 8860423.

It is a happy number.

3240688 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 (3240683) 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 3 ways as a sum of consecutive naturals, for example, 9031 + ... + 9382.

Almost surely, 2^3240688 is an apocalyptic number.

It is an amenable number.

3240688 is an abundant number, since it is smaller than the sum of its proper divisors (3609320).

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

3240688 is a wasteful number, since it uses less digits than its factorization.

3240688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18432 (or 18426 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 3240688 is about 1800.1911009668. The cubic root of 3240688 is about 147.9831975081.

The spelling of 3240688 in words is "three million, two hundred forty thousand, six hundred eighty-eight".