4068581 has 8 divisors (see below), whose sum is σ = 4514400. Its totient is φ = 3635440.

The previous prime is 4068569. The next prime is 4068587. The reversal of 4068581 is 1858604.

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 4068581 - 2¹⁸ = 3806437 is a prime.

It is a super-2 number, since 2×4068581² = 33106702707122, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4068587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2486 + ... + 3783.

It is an arithmetic number, because the mean of its divisors is an integer number (564300).

Almost surely, 2^4068581 is an apocalyptic number.

It is an amenable number.

4068581 is a deficient number, since it is larger than the sum of its proper divisors (445819).

4068581 is a wasteful number, since it uses less digits than its factorization.

4068581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6339.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 4068581 is about 2017.0723834310. The cubic root of 4068581 is about 159.6421821573.

The spelling of 4068581 in words is "four million, sixty-eight thousand, five hundred eighty-one".