3323729 has 2 divisors, whose sum is σ = 3323730. Its totient is φ = 3323728.

The previous prime is 3323711. The next prime is 3323731. The reversal of 3323729 is 9273233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3323329 + 400 = 1823^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 3323729 - 2⁸ = 3323473 is a prime.

It is a super-2 number, since 2×3323729² = 22094348930882, which contains 22 as substring.

Together with 3323731, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3323029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1661864 + 1661865.

It is an arithmetic number, because the mean of its divisors is an integer number (1661865).

Almost surely, 2^3323729 is an apocalyptic number.

It is an amenable number.

3323729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3323729 is an equidigital number, since it uses as much as digits as its factorization.

3323729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 29.

The square root of 3323729 is about 1823.1097059694. The cubic root of 3323729 is about 149.2365505212.

The spelling of 3323729 in words is "three million, three hundred twenty-three thousand, seven hundred twenty-nine".