4081326 has 16 divisors (see below), whose sum is σ = 8643024. Its totient is φ = 1280384.

The previous prime is 4081307. The next prime is 4081331. The reversal of 4081326 is 6231804.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4081296 and 4081305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19905 + ... + 20108.

It is an arithmetic number, because the mean of its divisors is an integer number (540189).

Almost surely, 2^4081326 is an apocalyptic number.

4081326 is an abundant number, since it is smaller than the sum of its proper divisors (4561698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4081326 is a wasteful number, since it uses less digits than its factorization.

4081326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40035.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 4081326 is about 2020.2291949182. The cubic root of 4081326 is about 159.8087036685.

The spelling of 4081326 in words is "four million, eighty-one thousand, three hundred twenty-six".