3242247 has 4 divisors (see below), whose sum is σ = 4323000. Its totient is φ = 2161496.

The previous prime is 3242237. The next prime is 3242251. The reversal of 3242247 is 7422423.

3242247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3242247 is a prime.

It is an Ulam number.

It is a D-number.

3242247 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3242237) 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, 540372 + ... + 540377.

It is an arithmetic number, because the mean of its divisors is an integer number (1080750).

Almost surely, 2^3242247 is an apocalyptic number.

3242247 is a deficient number, since it is larger than the sum of its proper divisors (1080753).

3242247 is a wasteful number, since it uses less digits than its factorization.

3242247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080752.

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

The square root of 3242247 is about 1800.6240584864. The cubic root of 3242247 is about 148.0069238300.

The spelling of 3242247 in words is "three million, two hundred forty-two thousand, two hundred forty-seven".