620298443 has 2 divisors, whose sum is σ = 620298444. Its totient is φ = 620298442.

The previous prime is 620298409. The next prime is 620298563. The reversal of 620298443 is 344892026.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 620298443 - 2¹⁴ = 620282059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 620298397 and 620298406.

It is not a weakly prime, because it can be changed into another prime (620294443) 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, 310149221 + 310149222.

It is an arithmetic number, because the mean of its divisors is an integer number (310149222).

Almost surely, 2^620298443 is an apocalyptic number.

620298443 is a deficient number, since it is larger than the sum of its proper divisors (1).

620298443 is an equidigital number, since it uses as much as digits as its factorization.

620298443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 620298443 is about 24905.7913546227. The cubic root of 620298443 is about 852.8386951513.

The spelling of 620298443 in words is "six hundred twenty million, two hundred ninety-eight thousand, four hundred forty-three".