98891297 has 2 divisors, whose sum is σ = 98891298. Its totient is φ = 98891296.

The previous prime is 98891281. The next prime is 98891311. The reversal of 98891297 is 79219889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86787856 + 12103441 = 9316^2 + 3479^2 .

It is a cyclic number.

It is not a de Polignac number, because 98891297 - 2⁴ = 98891281 is a prime.

It is not a weakly prime, because it can be changed into another prime (98891207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49445648 + 49445649.

It is an arithmetic number, because the mean of its divisors is an integer number (49445649).

Almost surely, 2^98891297 is an apocalyptic number.

It is an amenable number.

98891297 is a deficient number, since it is larger than the sum of its proper divisors (1).

98891297 is an equidigital number, since it uses as much as digits as its factorization.

98891297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 53.

The square root of 98891297 is about 9944.4103394822. The cubic root of 98891297 is about 462.4371233735.

The spelling of 98891297 in words is "ninety-eight million, eight hundred ninety-one thousand, two hundred ninety-seven".