3453647 has 2 divisors, whose sum is σ = 3453648. Its totient is φ = 3453646.

The previous prime is 3453641. The next prime is 3453673. The reversal of 3453647 is 7463543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3453647 - 2²⁰ = 2405071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3453641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1726823 + 1726824.

It is an arithmetic number, because the mean of its divisors is an integer number (1726824).

Almost surely, 2^3453647 is an apocalyptic number.

3453647 is a deficient number, since it is larger than the sum of its proper divisors (1).

3453647 is an equidigital number, since it uses as much as digits as its factorization.

3453647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 32.

The square root of 3453647 is about 1858.3990421866. The cubic root of 3453647 is about 151.1562057641.

The spelling of 3453647 in words is "three million, four hundred fifty-three thousand, six hundred forty-seven".