98746391 has 2 divisors, whose sum is σ = 98746392. Its totient is φ = 98746390.

The previous prime is 98746369. The next prime is 98746393. The reversal of 98746391 is 19364789.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98746391 is a prime.

Together with 98746393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98746393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49373195 + 49373196.

It is an arithmetic number, because the mean of its divisors is an integer number (49373196).

Almost surely, 2^98746391 is an apocalyptic number.

98746391 is a deficient number, since it is larger than the sum of its proper divisors (1).

98746391 is an equidigital number, since it uses as much as digits as its factorization.

98746391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 98746391 is about 9937.1218670196. The cubic root of 98746391 is about 462.2111423468.

The spelling of 98746391 in words is "ninety-eight million, seven hundred forty-six thousand, three hundred ninety-one".