2939081 has 2 divisors, whose sum is σ = 2939082. Its totient is φ = 2939080.

The previous prime is 2939071. The next prime is 2939087. The reversal of 2939081 is 1809392.

2939081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2839225 + 99856 = 1685^2 + 316^2 .

It is a cyclic number.

It is not a de Polignac number, because 2939081 - 2¹⁰ = 2938057 is a prime.

It is a super-2 number, since 2×2939081² = 17276394249122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2939087) 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 as a sum of consecutive naturals, namely, 1469540 + 1469541.

It is an arithmetic number, because the mean of its divisors is an integer number (1469541).

2^2939081 is an apocalyptic number.

It is an amenable number.

2939081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2939081 is an equidigital number, since it uses as much as digits as its factorization.

2939081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2939081 is about 1714.3748131608. The cubic root of 2939081 is about 143.2420469154.

The spelling of 2939081 in words is "two million, nine hundred thirty-nine thousand, eighty-one".