2439081 has 12 divisors (see below), whose sum is σ = 3676608. Its totient is φ = 1555224.

The previous prime is 2439071. The next prime is 2439083. The reversal of 2439081 is 1809342.

It is not a de Polignac number, because 2439081 - 2¹¹ = 2437033 is a prime.

It is a super-2 number, since 2×2439081² = 11898232249122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2439083) 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, 5685 + ... + 6098.

It is an arithmetic number, because the mean of its divisors is an integer number (306384).

2^2439081 is an apocalyptic number.

It is an amenable number.

2439081 is a deficient number, since it is larger than the sum of its proper divisors (1237527).

2439081 is a wasteful number, since it uses less digits than its factorization.

2439081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11812 (or 11809 counting only the distinct ones).

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

The square root of 2439081 is about 1561.7557427460. The cubic root of 2439081 is about 134.6094059679.

The spelling of 2439081 in words is "two million, four hundred thirty-nine thousand, eighty-one".