3240447 has 16 divisors (see below), whose sum is σ = 5153280. Its totient is φ = 1770912.

The previous prime is 3240409. The next prime is 3240449. The reversal of 3240447 is 7440423.

It is not a de Polignac number, because 3240447 - 2⁸ = 3240191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240449) 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, 2872 + ... + 3837.

It is an arithmetic number, because the mean of its divisors is an integer number (322080).

Almost surely, 2^3240447 is an apocalyptic number.

3240447 is a deficient number, since it is larger than the sum of its proper divisors (1912833).

3240447 is a wasteful number, since it uses less digits than its factorization.

3240447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6742.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 3240447 is about 1800.1241623844. The cubic root of 3240447 is about 147.9795290654.

Subtracting from 3240447 its sum of digits (24), we obtain a palindrome (3240423).

The spelling of 3240447 in words is "three million, two hundred forty thousand, four hundred forty-seven".