3305749 has 2 divisors, whose sum is σ = 3305750. Its totient is φ = 3305748.

The previous prime is 3305719. The next prime is 3305759. The reversal of 3305749 is 9475033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3305124 + 625 = 1818^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 3305749 - 2⁵ = 3305717 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3305749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3305719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1652874 + 1652875.

It is an arithmetic number, because the mean of its divisors is an integer number (1652875).

Almost surely, 2^3305749 is an apocalyptic number.

It is an amenable number.

3305749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3305749 is an equidigital number, since it uses as much as digits as its factorization.

3305749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 3305749 is about 1818.1718840638. The cubic root of 3305749 is about 148.9669611295.

The spelling of 3305749 in words is "three million, three hundred five thousand, seven hundred forty-nine".