3345681 has 4 divisors (see below), whose sum is σ = 4460912. Its totient is φ = 2230452.

The previous prime is 3345679. The next prime is 3345703. The reversal of 3345681 is 1865433.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3345681 - 2¹ = 3345679 is a prime.

It is a super-2 number, since 2×3345681² = 22387162707522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557611 + ... + 557616.

It is an arithmetic number, because the mean of its divisors is an integer number (1115228).

Almost surely, 2^3345681 is an apocalyptic number.

It is an amenable number.

3345681 is a deficient number, since it is larger than the sum of its proper divisors (1115231).

3345681 is a wasteful number, since it uses less digits than its factorization.

3345681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115230.

The product of its digits is 8640, while the sum is 30.

The square root of 3345681 is about 1829.1202803534. The cubic root of 3345681 is about 149.5643805739.

The spelling of 3345681 in words is "three million, three hundred forty-five thousand, six hundred eighty-one".