3240436 has 6 divisors (see below), whose sum is σ = 5670770. Its totient is φ = 1620216.

The previous prime is 3240409. The next prime is 3240449. The reversal of 3240436 is 6340423.

It can be written as a sum of positive squares in only one way, i.e., 2528100 + 712336 = 1590^2 + 844^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405051 + ... + 405058.

Almost surely, 2^3240436 is an apocalyptic number.

It is an amenable number.

3240436 is a deficient number, since it is larger than the sum of its proper divisors (2430334).

3240436 is a wasteful number, since it uses less digits than its factorization.

3240436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810113 (or 810111 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3240436 is about 1800.1211070370. The cubic root of 3240436 is about 147.9793616218.

Adding to 3240436 its reverse (6340423), we get a palindrome (9580859).

The spelling of 3240436 in words is "three million, two hundred forty thousand, four hundred thirty-six".