4569681 has 8 divisors (see below), whose sum is σ = 6134400. Its totient is φ = 3025712.

The previous prime is 4569667. The next prime is 4569683. The reversal of 4569681 is 1869654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4569681 - 2⁷ = 4569553 is a prime.

It is a super-2 number, since 2×4569681² = 41763968883522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4569683) 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 7 ways as a sum of consecutive naturals, for example, 4665 + ... + 5558.

It is an arithmetic number, because the mean of its divisors is an integer number (766800).

Almost surely, 2^4569681 is an apocalyptic number.

It is an amenable number.

4569681 is a deficient number, since it is larger than the sum of its proper divisors (1564719).

4569681 is a wasteful number, since it uses less digits than its factorization.

4569681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10375.

The product of its digits is 51840, while the sum is 39.

The square root of 4569681 is about 2137.6812203881. The cubic root of 4569681 is about 165.9441555028.

The spelling of 4569681 in words is "four million, five hundred sixty-nine thousand, six hundred eighty-one".