3020399 has 2 divisors, whose sum is σ = 3020400. Its totient is φ = 3020398.

The previous prime is 3020389. The next prime is 3020401. The reversal of 3020399 is 9930203.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3020399 - 2¹⁶ = 2954863 is a prime.

It is a Sophie Germain prime.

Together with 3020401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3020309) 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, 1510199 + 1510200.

It is an arithmetic number, because the mean of its divisors is an integer number (1510200).

Almost surely, 2^3020399 is an apocalyptic number.

3020399 is a deficient number, since it is larger than the sum of its proper divisors (1).

3020399 is an equidigital number, since it uses as much as digits as its factorization.

3020399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 3020399 is about 1737.9295152566. The cubic root of 3020399 is about 144.5511127715.

The spelling of 3020399 in words is "three million, twenty thousand, three hundred ninety-nine".