673898443 has 2 divisors, whose sum is σ = 673898444. Its totient is φ = 673898442.

The previous prime is 673898437. The next prime is 673898471. The reversal of 673898443 is 344898376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673898443 - 2¹⁷ = 673767371 is a prime.

It is a super-2 number, since 2×673898443² = 908278222955648498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (673898473) 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, 336949221 + 336949222.

It is an arithmetic number, because the mean of its divisors is an integer number (336949222).

Almost surely, 2^673898443 is an apocalyptic number.

673898443 is a deficient number, since it is larger than the sum of its proper divisors (1).

673898443 is an equidigital number, since it uses as much as digits as its factorization.

673898443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 52.

The square root of 673898443 is about 25959.5539830714. The cubic root of 673898443 is about 876.7278805841.

The spelling of 673898443 in words is "six hundred seventy-three million, eight hundred ninety-eight thousand, four hundred forty-three".