3245647 has 4 divisors (see below), whose sum is σ = 3255616. Its totient is φ = 3235680.

The previous prime is 3245611. The next prime is 3245659. The reversal of 3245647 is 7465423.

3245647 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-3245647 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 2⁵ + 4⁹ + 5⁷ + 6⁸ + 4¹⁰ + 7 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3245687) 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, 4479 + ... + 5152.

It is an arithmetic number, because the mean of its divisors is an integer number (813904).

Almost surely, 2^3245647 is an apocalyptic number.

3245647 is a deficient number, since it is larger than the sum of its proper divisors (9969).

3245647 is an equidigital number, since it uses as much as digits as its factorization.

3245647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9968.

The product of its digits is 20160, while the sum is 31.

The square root of 3245647 is about 1801.5679282225. The cubic root of 3245647 is about 148.0586418454.

The spelling of 3245647 in words is "three million, two hundred forty-five thousand, six hundred forty-seven".