3240434 has 4 divisors (see below), whose sum is σ = 4860654. Its totient is φ = 1620216.

The previous prime is 3240409. The next prime is 3240449. The reversal of 3240434 is 4340423.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2941225 + 299209 = 1715^2 + 547^2 .

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 810107 + ... + 810110.

Almost surely, 2^3240434 is an apocalyptic number.

3240434 is a deficient number, since it is larger than the sum of its proper divisors (1620220).

3240434 is a wasteful number, since it uses less digits than its factorization.

3240434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620219.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 3240434 is about 1800.1205515187. The cubic root of 3240434 is about 147.9793311774.

Adding to 3240434 its reverse (4340423), we get a palindrome (7580857).

The spelling of 3240434 in words is "three million, two hundred forty thousand, four hundred thirty-four".