3345666 has 8 divisors (see below), whose sum is σ = 6691344. Its totient is φ = 1115220.

The previous prime is 3345659. The next prime is 3345679. The reversal of 3345666 is 6665433.

It is a happy number.

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

3345666 is an admirable number.

It is a super-2 number, since 2×3345666² = 22386961967112, which contains 22 as substring.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278800 + ... + 278811.

It is an arithmetic number, because the mean of its divisors is an integer number (836418).

Almost surely, 2^3345666 is an apocalyptic number.

3345666 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.

3345666 is a wasteful number, since it uses less digits than its factorization.

3345666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557616.

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

The square root of 3345666 is about 1829.1161800170. The cubic root of 3345666 is about 149.5641570550.

The spelling of 3345666 in words is "three million, three hundred forty-five thousand, six hundred sixty-six".