3453665 has 8 divisors (see below), whose sum is σ = 4183080. Its totient is φ = 2737152.

The previous prime is 3453647. The next prime is 3453673. The reversal of 3453665 is 5663543.

3453665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 398161 + 3055504 = 631^2 + 1748^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3453665 - 2⁸ = 3453409 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2624 + ... + 3713.

It is an arithmetic number, because the mean of its divisors is an integer number (522885).

Almost surely, 2^3453665 is an apocalyptic number.

It is an amenable number.

3453665 is a deficient number, since it is larger than the sum of its proper divisors (729415).

3453665 is a wasteful number, since it uses less digits than its factorization.

3453665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6451.

The product of its digits is 32400, while the sum is 32.

The square root of 3453665 is about 1858.4038850584. The cubic root of 3453665 is about 151.1564683664.

The spelling of 3453665 in words is "three million, four hundred fifty-three thousand, six hundred sixty-five".