4081329 has 12 divisors (see below), whose sum is σ = 6737536. Its totient is φ = 2332152.

The previous prime is 4081307. The next prime is 4081331. The reversal of 4081329 is 9231804.

It is not a de Polignac number, because 4081329 - 2⁷ = 4081201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4081229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32329 + ... + 32454.

Almost surely, 2^4081329 is an apocalyptic number.

It is an amenable number.

4081329 is a deficient number, since it is larger than the sum of its proper divisors (2656207).

4081329 is a wasteful number, since it uses less digits than its factorization.

4081329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64796 (or 64793 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 4081329 is about 2020.2299374081. The cubic root of 4081329 is about 159.8087428246.

The spelling of 4081329 in words is "four million, eighty-one thousand, three hundred twenty-nine".