98436913 has 2 divisors, whose sum is σ = 98436914. Its totient is φ = 98436912.

The previous prime is 98436907. The next prime is 98436931. The reversal of 98436913 is 31963489.

Together with next prime (98436931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70006689 + 28430224 = 8367^2 + 5332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98436913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98436913.

It is not a weakly prime, because it can be changed into another prime (98433913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49218456 + 49218457.

It is an arithmetic number, because the mean of its divisors is an integer number (49218457).

Almost surely, 2^98436913 is an apocalyptic number.

It is an amenable number.

98436913 is a deficient number, since it is larger than the sum of its proper divisors (1).

98436913 is an equidigital number, since it uses as much as digits as its factorization.

98436913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 43.

The square root of 98436913 is about 9921.5378344287. The cubic root of 98436913 is about 461.7277698205.

The spelling of 98436913 in words is "ninety-eight million, four hundred thirty-six thousand, nine hundred thirteen".