3453689 has 2 divisors, whose sum is σ = 3453690. Its totient is φ = 3453688.

The previous prime is 3453677. The next prime is 3453707. The reversal of 3453689 is 9863543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2199289 + 1254400 = 1483^2 + 1120^2 .

It is an emirp because it is prime and its reverse (9863543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3453689 - 2⁴ = 3453673 is a prime.

It is not a weakly prime, because it can be changed into another prime (3453629) 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, 1726844 + 1726845.

It is an arithmetic number, because the mean of its divisors is an integer number (1726845).

Almost surely, 2^3453689 is an apocalyptic number.

It is an amenable number.

3453689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3453689 is an equidigital number, since it uses as much as digits as its factorization.

3453689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 3453689 is about 1858.4103422011. The cubic root of 3453689 is about 151.1568185014.

The spelling of 3453689 in words is "three million, four hundred fifty-three thousand, six hundred eighty-nine".