2905739 has 2 divisors, whose sum is σ = 2905740. Its totient is φ = 2905738.

The previous prime is 2905703. The next prime is 2905753. The reversal of 2905739 is 9375092.

2905739 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 is a cyclic number.

It is not a de Polignac number, because 2905739 - 2¹² = 2901643 is a prime.

It is a super-2 number, since 2×2905739² = 16886638272242, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2905699 and 2905708.

It is not a weakly prime, because it can be changed into another prime (2905769) 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, 1452869 + 1452870.

It is an arithmetic number, because the mean of its divisors is an integer number (1452870).

2^2905739 is an apocalyptic number.

2905739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2905739 is an equidigital number, since it uses as much as digits as its factorization.

2905739 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 2905739 is about 1704.6228321831. The cubic root of 2905739 is about 142.6983224026.

The spelling of 2905739 in words is "two million, nine hundred five thousand, seven hundred thirty-nine".