98443819 has 2 divisors, whose sum is σ = 98443820. Its totient is φ = 98443818.

The previous prime is 98443811. The next prime is 98443847. The reversal of 98443819 is 91834489.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98443819 - 2³ = 98443811 is a prime.

It is a super-2 number, since 2×98443819² = 19382370998609522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (98443811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49221909 + 49221910.

It is an arithmetic number, because the mean of its divisors is an integer number (49221910).

Almost surely, 2^98443819 is an apocalyptic number.

98443819 is a deficient number, since it is larger than the sum of its proper divisors (1).

98443819 is an equidigital number, since it uses as much as digits as its factorization.

98443819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 46.

The square root of 98443819 is about 9921.8858590492. The cubic root of 98443819 is about 461.7385673195.

The spelling of 98443819 in words is "ninety-eight million, four hundred forty-three thousand, eight hundred nineteen".