2739081 has 4 divisors (see below), whose sum is σ = 3652112. Its totient is φ = 1826052.

The previous prime is 2739071. The next prime is 2739089. The reversal of 2739081 is 1809372.

It is a happy number.

2739081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2739081 - 2⁵ = 2739049 is a prime.

It is a super-2 number, since 2×2739081² = 15005129449122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2739089) 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 3 ways as a sum of consecutive naturals, for example, 456511 + ... + 456516.

It is an arithmetic number, because the mean of its divisors is an integer number (913028).

2^2739081 is an apocalyptic number.

It is an amenable number.

2739081 is a deficient number, since it is larger than the sum of its proper divisors (913031).

2739081 is an equidigital number, since it uses as much as digits as its factorization.

2739081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913030.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2739081 is about 1655.0169183425. The cubic root of 2739081 is about 139.9162934990.

The spelling of 2739081 in words is "two million, seven hundred thirty-nine thousand, eighty-one".