620093839 has 2 divisors, whose sum is σ = 620093840. Its totient is φ = 620093838.

The previous prime is 620093821. The next prime is 620093849. The reversal of 620093839 is 938390026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620093839 - 2⁵ = 620093807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620093849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310046919 + 310046920.

It is an arithmetic number, because the mean of its divisors is an integer number (310046920).

Almost surely, 2^620093839 is an apocalyptic number.

620093839 is a deficient number, since it is larger than the sum of its proper divisors (1).

620093839 is an equidigital number, since it uses as much as digits as its factorization.

620093839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 620093839 is about 24901.6834571480. The cubic root of 620093839 is about 852.7449158856.

The spelling of 620093839 in words is "six hundred twenty million, ninety-three thousand, eight hundred thirty-nine".