98449147 has 2 divisors, whose sum is σ = 98449148. Its totient is φ = 98449146.

The previous prime is 98449133. The next prime is 98449157. The reversal of 98449147 is 74194489.

It is a strong prime.

It is an emirp because it is prime and its reverse (74194489) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98449147 - 2⁷ = 98449019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98449097 and 98449106.

It is not a weakly prime, because it can be changed into another prime (98449157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49224573 + 49224574.

It is an arithmetic number, because the mean of its divisors is an integer number (49224574).

Almost surely, 2^98449147 is an apocalyptic number.

98449147 is a deficient number, since it is larger than the sum of its proper divisors (1).

98449147 is an equidigital number, since it uses as much as digits as its factorization.

98449147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 46.

The square root of 98449147 is about 9922.1543527603. The cubic root of 98449147 is about 461.7468972778.

It can be divided in two parts, 98449 and 147, that added together give a square (98596 = 314²).

The spelling of 98449147 in words is "ninety-eight million, four hundred forty-nine thousand, one hundred forty-seven".