4081339 has 4 divisors (see below), whose sum is σ = 4168224. Its totient is φ = 3994456.

The previous prime is 4081331. The next prime is 4081351. The reversal of 4081339 is 9331804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4081339 - 2³ = 4081331 is a prime.

It is a Duffinian number.

4081339 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4081331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43372 + ... + 43465.

It is an arithmetic number, because the mean of its divisors is an integer number (1042056).

Almost surely, 2^4081339 is an apocalyptic number.

4081339 is a deficient number, since it is larger than the sum of its proper divisors (86885).

4081339 is an equidigital number, since it uses as much as digits as its factorization.

4081339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86884.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 4081339 is about 2020.2324123724. The cubic root of 4081339 is about 159.8088733447.

The spelling of 4081339 in words is "four million, eighty-one thousand, three hundred thirty-nine".