3240406 has 12 divisors (see below), whose sum is σ = 5263812. Its totient is φ = 1495416.

The previous prime is 3240389. The next prime is 3240407. The reversal of 3240406 is 6040423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4456 + ... + 5131.

It is an arithmetic number, because the mean of its divisors is an integer number (438651).

Almost surely, 2^3240406 is an apocalyptic number.

3240406 is a deficient number, since it is larger than the sum of its proper divisors (2023406).

3240406 is a wasteful number, since it uses less digits than its factorization.

3240406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9615 (or 9602 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3240406 is about 1800.1127742450. The cubic root of 3240406 is about 147.9789049554.

Adding to 3240406 its reverse (6040423), we get a palindrome (9280829).

The spelling of 3240406 in words is "three million, two hundred forty thousand, four hundred six".