98724317 has 2 divisors, whose sum is σ = 98724318. Its totient is φ = 98724316.

The previous prime is 98724281. The next prime is 98724359. The reversal of 98724317 is 71342789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98287396 + 436921 = 9914^2 + 661^2 .

It is a cyclic number.

It is not a de Polignac number, because 98724317 - 2²⁴ = 81947101 is a prime.

It is equal to p_5692298 and since 98724317 and 5692298 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98724377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49362158 + 49362159.

It is an arithmetic number, because the mean of its divisors is an integer number (49362159).

Almost surely, 2^98724317 is an apocalyptic number.

It is an amenable number.

98724317 is a deficient number, since it is larger than the sum of its proper divisors (1).

98724317 is an equidigital number, since it uses as much as digits as its factorization.

98724317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 98724317 is about 9936.0111211693. The cubic root of 98724317 is about 462.1766985256.

The spelling of 98724317 in words is "ninety-eight million, seven hundred twenty-four thousand, three hundred seventeen".