3453666 has 8 divisors (see below), whose sum is σ = 6907344. Its totient is φ = 1151220.

The previous prime is 3453647. The next prime is 3453673. The reversal of 3453666 is 6663543.

It is a happy number.

3453666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

3453666 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 287800 + ... + 287811.

It is an arithmetic number, because the mean of its divisors is an integer number (863418).

Almost surely, 2^3453666 is an apocalyptic number.

3453666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3453666 is a wasteful number, since it uses less digits than its factorization.

3453666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575616.

The product of its digits is 38880, while the sum is 33.

The square root of 3453666 is about 1858.4041541064. The cubic root of 3453666 is about 151.1564829554.

The spelling of 3453666 in words is "three million, four hundred fifty-three thousand, six hundred sixty-six".