3345865 has 4 divisors (see below), whose sum is σ = 4015044. Its totient is φ = 2676688.

The previous prime is 3345857. The next prime is 3345877. The reversal of 3345865 is 5685433.

3345865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2653641 + 692224 = 1629^2 + 832^2 .

It is a cyclic number.

It is not a de Polignac number, because 3345865 - 2³ = 3345857 is a prime.

It is a super-2 number, since 2×3345865² = 22389625196450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3345865.

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, 334582 + ... + 334591.

It is an arithmetic number, because the mean of its divisors is an integer number (1003761).

Almost surely, 2^3345865 is an apocalyptic number.

It is an amenable number.

3345865 is a deficient number, since it is larger than the sum of its proper divisors (669179).

3345865 is an equidigital number, since it uses as much as digits as its factorization.

3345865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669178.

The product of its digits is 43200, while the sum is 34.

The square root of 3345865 is about 1829.1705770649. The cubic root of 3345865 is about 149.5671223517.

The spelling of 3345865 in words is "three million, three hundred forty-five thousand, eight hundred sixty-five".