3047681 has 16 divisors (see below), whose sum is σ = 3798144. Its totient is φ = 2381184.

The previous prime is 3047669. The next prime is 3047683. The reversal of 3047681 is 1867403.

It is not a de Polignac number, because 3047681 - 2⁶ = 3047617 is a prime.

It is a super-2 number, since 2×3047681² = 18576718955522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3047683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9581 + ... + 9893.

It is an arithmetic number, because the mean of its divisors is an integer number (237384).

Almost surely, 2^3047681 is an apocalyptic number.

It is an amenable number.

3047681 is a deficient number, since it is larger than the sum of its proper divisors (750463).

3047681 is a wasteful number, since it uses less digits than its factorization.

3047681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 3047681 is about 1745.7608656400. The cubic root of 3047681 is about 144.9850321450.

The spelling of 3047681 in words is "three million, forty-seven thousand, six hundred eighty-one".