662443 has 2 divisors, whose sum is σ = 662444. Its totient is φ = 662442.

The previous prime is 662407. The next prime is 662449. The reversal of 662443 is 344266.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 662443 - 2⁹ = 661931 is a prime.

It is not a weakly prime, because it can be changed into another prime (662449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331221 + 331222.

It is an arithmetic number, because the mean of its divisors is an integer number (331222).

2⁶⁶²⁴⁴³ is an apocalyptic number.

662443 is a deficient number, since it is larger than the sum of its proper divisors (1).

662443 is an equidigital number, since it uses as much as digits as its factorization.

662443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 662443 is about 813.9060142301. The cubic root of 662443 is about 87.1731698591.

The spelling of 662443 in words is "six hundred sixty-two thousand, four hundred forty-three".