98493491 has 2 divisors, whose sum is σ = 98493492. Its totient is φ = 98493490.

The previous prime is 98493443. The next prime is 98493533. The reversal of 98493491 is 19439489.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98493491 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98493431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49246745 + 49246746.

It is an arithmetic number, because the mean of its divisors is an integer number (49246746).

Almost surely, 2^98493491 is an apocalyptic number.

98493491 is a deficient number, since it is larger than the sum of its proper divisors (1).

98493491 is an equidigital number, since it uses as much as digits as its factorization.

98493491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 47.

The square root of 98493491 is about 9924.3886965394. The cubic root of 98493491 is about 461.8162143873.

The spelling of 98493491 in words is "ninety-eight million, four hundred ninety-three thousand, four hundred ninety-one".