3320749 has 2 divisors, whose sum is σ = 3320750. Its totient is φ = 3320748.

The previous prime is 3320699. The next prime is 3320753. The reversal of 3320749 is 9470233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3305124 + 15625 = 1818^2 + 125^2 .

It is an emirp because it is prime and its reverse (9470233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3320749 - 2⁹ = 3320237 is a prime.

It is a super-2 number, since 2×3320749² = 22054747842002, which contains 22 as substring.

It is equal to p₂₃₈₂₇₆ and since 3320749 and 238276 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3327749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660374 + 1660375.

It is an arithmetic number, because the mean of its divisors is an integer number (1660375).

Almost surely, 2^3320749 is an apocalyptic number.

It is an amenable number.

3320749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3320749 is an equidigital number, since it uses as much as digits as its factorization.

3320749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 3320749 is about 1822.2922378148. The cubic root of 3320749 is about 149.1919361842.

The spelling of 3320749 in words is "three million, three hundred twenty thousand, seven hundred forty-nine".