2705939 has 2 divisors, whose sum is σ = 2705940. Its totient is φ = 2705938.

The previous prime is 2705933. The next prime is 2705951. The reversal of 2705939 is 9395072.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2705939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2705899 and 2705908.

It is not a weakly prime, because it can be changed into another prime (2705933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1352969 + 1352970.

It is an arithmetic number, because the mean of its divisors is an integer number (1352970).

2^2705939 is an apocalyptic number.

2705939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2705939 is an equidigital number, since it uses as much as digits as its factorization.

2705939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 2705939 is about 1644.9738599747. The cubic root of 2705939 is about 139.3496880039.

The spelling of 2705939 in words is "two million, seven hundred five thousand, nine hundred thirty-nine".