3345645 has 16 divisors (see below), whose sum is σ = 5434560. Its totient is φ = 1757184.

The previous prime is 3345611. The next prime is 3345659. The reversal of 3345645 is 5465433.

It is not a de Polignac number, because 3345645 - 2⁶ = 3345581 is a prime.

It is a super-3 number, since 3×3345645³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660 + ... + 2669.

It is an arithmetic number, because the mean of its divisors is an integer number (339660).

Almost surely, 2^3345645 is an apocalyptic number.

It is an amenable number.

3345645 is a deficient number, since it is larger than the sum of its proper divisors (2088915).

3345645 is a wasteful number, since it uses less digits than its factorization.

3345645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404.

The product of its digits is 21600, while the sum is 30.

The square root of 3345645 is about 1829.1104395306. The cubic root of 3345645 is about 149.5638441273.

The spelling of 3345645 in words is "three million, three hundred forty-five thousand, six hundred forty-five".