3321739 has 2 divisors, whose sum is σ = 3321740. Its totient is φ = 3321738.

The previous prime is 3321737. The next prime is 3321757. The reversal of 3321739 is 9371233.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3321739 - 2¹ = 3321737 is a prime.

It is a super-2 number, since 2×3321739² = 22067899968242, which contains 22 as substring.

Together with 3321737, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3321733) 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, 1660869 + 1660870.

It is an arithmetic number, because the mean of its divisors is an integer number (1660870).

Almost surely, 2^3321739 is an apocalyptic number.

3321739 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321739 is an equidigital number, since it uses as much as digits as its factorization.

3321739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 28.

The square root of 3321739 is about 1822.5638534767. The cubic root of 3321739 is about 149.2067606852.

The spelling of 3321739 in words is "three million, three hundred twenty-one thousand, seven hundred thirty-nine".