98389957 has 2 divisors, whose sum is σ = 98389958. Its totient is φ = 98389956.

The previous prime is 98389927. The next prime is 98389979. The reversal of 98389957 is 75998389.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98128836 + 261121 = 9906^2 + 511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98389957 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98389927) 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, 49194978 + 49194979.

It is an arithmetic number, because the mean of its divisors is an integer number (49194979).

Almost surely, 2^98389957 is an apocalyptic number.

It is an amenable number.

98389957 is a deficient number, since it is larger than the sum of its proper divisors (1).

98389957 is an equidigital number, since it uses as much as digits as its factorization.

98389957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 58.

The square root of 98389957 is about 9919.1711851344. The cubic root of 98389957 is about 461.6543409384.

The spelling of 98389957 in words is "ninety-eight million, three hundred eighty-nine thousand, nine hundred fifty-seven".