98405441 has 2 divisors, whose sum is σ = 98405442. Its totient is φ = 98405440.

The previous prime is 98405407. The next prime is 98405443. The reversal of 98405441 is 14450489.

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., 58967041 + 39438400 = 7679^2 + 6280^2 .

It is a cyclic number.

It is not a de Polignac number, because 98405441 - 2²² = 94211137 is a prime.

Together with 98405443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98405443) 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, 49202720 + 49202721.

It is an arithmetic number, because the mean of its divisors is an integer number (49202721).

Almost surely, 2^98405441 is an apocalyptic number.

It is an amenable number.

98405441 is a deficient number, since it is larger than the sum of its proper divisors (1).

98405441 is an equidigital number, since it uses as much as digits as its factorization.

98405441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 98405441 is about 9919.9516631887. The cubic root of 98405441 is about 461.6785570985.

The spelling of 98405441 in words is "ninety-eight million, four hundred five thousand, four hundred forty-one".