698417441 has 2 divisors, whose sum is σ = 698417442. Its totient is φ = 698417440.

The previous prime is 698417417. The next prime is 698417449. The reversal of 698417441 is 144714896.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 455182225 + 243235216 = 21335^2 + 15596^2 .

It is a cyclic number.

It is not a de Polignac number, because 698417441 - 2¹⁴ = 698401057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 698417392 and 698417401.

It is not a weakly prime, because it can be changed into another prime (698417449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349208720 + 349208721.

It is an arithmetic number, because the mean of its divisors is an integer number (349208721).

Almost surely, 2^698417441 is an apocalyptic number.

It is an amenable number.

698417441 is a deficient number, since it is larger than the sum of its proper divisors (1).

698417441 is an equidigital number, since it uses as much as digits as its factorization.

698417441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 698417441 is about 26427.5886338500. The cubic root of 698417441 is about 887.2343728239.

The spelling of 698417441 in words is "six hundred ninety-eight million, four hundred seventeen thousand, four hundred forty-one".