98490617 has 2 divisors, whose sum is σ = 98490618. Its totient is φ = 98490616.

The previous prime is 98490563. The next prime is 98490671. The reversal of 98490617 is 71609489.

Together with next prime (98490671) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (98490563) and next prime (98490671).

It can be written as a sum of positive squares in only one way, i.e., 49266361 + 49224256 = 7019^2 + 7016^2 .

It is a cyclic number.

It is not a de Polignac number, because 98490617 - 2²⁰ = 97442041 is a prime.

It is a Chen prime.

It is equal to p_5679584 and since 98490617 and 5679584 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (98490677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49245308 + 49245309.

It is an arithmetic number, because the mean of its divisors is an integer number (49245309).

Almost surely, 2^98490617 is an apocalyptic number.

It is an amenable number.

98490617 is a deficient number, since it is larger than the sum of its proper divisors (1).

98490617 is an equidigital number, since it uses as much as digits as its factorization.

98490617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 98490617 is about 9924.2439006707. The cubic root of 98490617 is about 461.8117224739.

The spelling of 98490617 in words is "ninety-eight million, four hundred ninety thousand, six hundred seventeen".