98040869 has 2 divisors, whose sum is σ = 98040870. Its totient is φ = 98040868.

The previous prime is 98040829. The next prime is 98040911. The reversal of 98040869 is 96804089.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90820900 + 7219969 = 9530^2 + 2687^2 .

It is an emirp because it is prime and its reverse (96804089) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98040869 is a prime.

It is a super-2 number, since 2×98040869² = 19224023988550322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98040829) 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, 49020434 + 49020435.

It is an arithmetic number, because the mean of its divisors is an integer number (49020435).

Almost surely, 2^98040869 is an apocalyptic number.

It is an amenable number.

98040869 is a deficient number, since it is larger than the sum of its proper divisors (1).

98040869 is an equidigital number, since it uses as much as digits as its factorization.

98040869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 98040869 is about 9901.5589176654. The cubic root of 98040869 is about 461.1077100678.

The spelling of 98040869 in words is "ninety-eight million, forty thousand, eight hundred sixty-nine".