3345691 has 4 divisors (see below), whose sum is σ = 3521800. Its totient is φ = 3169584.

The previous prime is 3345679. The next prime is 3345703. The reversal of 3345691 is 1965433.

3345691 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, and also an emirpimes, since its reverse is a distinct semiprime: 1965433 = 563 ⋅3491.

It is an interprime number because it is at equal distance from previous prime (3345679) and next prime (3345703).

It is a cyclic number.

It is not a de Polignac number, because 3345691 - 2⁵ = 3345659 is a prime.

It is a super-2 number, since 2×3345691² = 22387296534962, which contains 22 as substring.

It is a Duffinian number.

3345691 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3345611) by changing a digit.

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, 88026 + ... + 88063.

It is an arithmetic number, because the mean of its divisors is an integer number (880450).

Almost surely, 2^3345691 is an apocalyptic number.

3345691 is a deficient number, since it is larger than the sum of its proper divisors (176109).

3345691 is a wasteful number, since it uses less digits than its factorization.

3345691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176108.

The product of its digits is 9720, while the sum is 31.

The square root of 3345691 is about 1829.1230139058. The cubic root of 3345691 is about 149.5645295861.

The spelling of 3345691 in words is "three million, three hundred forty-five thousand, six hundred ninety-one".