98490563 has 2 divisors, whose sum is σ = 98490564. Its totient is φ = 98490562.

The previous prime is 98490541. The next prime is 98490617. The reversal of 98490563 is 36509489.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98490563 - 2⁶ = 98490499 is a prime.

It is not a weakly prime, because it can be changed into another prime (98490523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49245281 + 49245282.

It is an arithmetic number, because the mean of its divisors is an integer number (49245282).

Almost surely, 2^98490563 is an apocalyptic number.

98490563 is a deficient number, since it is larger than the sum of its proper divisors (1).

98490563 is an equidigital number, since it uses as much as digits as its factorization.

98490563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 98490563 is about 9924.2411800601. The cubic root of 98490563 is about 461.8116380739.

The spelling of 98490563 in words is "ninety-eight million, four hundred ninety thousand, five hundred sixty-three".