4030681 has 8 divisors (see below), whose sum is σ = 4351680. Its totient is φ = 3721872.

The previous prime is 4030657. The next prime is 4030687. The reversal of 4030681 is 1860304.

4030681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4030681 - 2⁷ = 4030553 is a prime.

It is a super-2 number, since 2×4030681² = 32492778647522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030687) 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, 2355 + ... + 3688.

It is an arithmetic number, because the mean of its divisors is an integer number (543960).

Almost surely, 2^4030681 is an apocalyptic number.

It is an amenable number.

4030681 is a deficient number, since it is larger than the sum of its proper divisors (320999).

4030681 is a wasteful number, since it uses less digits than its factorization.

4030681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6095.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4030681 is about 2007.6555979550. The cubic root of 4030681 is about 159.1449306807.

Adding to 4030681 its reverse (1860304), we get a palindrome (5890985).

The spelling of 4030681 in words is "four million, thirty thousand, six hundred eighty-one".