98998057 has 6 divisors (see below), whose sum is σ = 99894782. Its totient is φ = 98109312.

The previous prime is 98998043. The next prime is 98998073. The reversal of 98998057 is 75089989.

It can be written as a sum of positive squares in 3 ways, for example, as 968256 + 98029801 = 984^2 + 9901^2 .

It is not a de Polignac number, because 98998057 - 2¹⁹ = 98473769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98997989 and 98998007.

It is not an unprimeable number, because it can be changed into a prime (98998007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8893 + ... + 16645.

Almost surely, 2^98998057 is an apocalyptic number.

It is an amenable number.

98998057 is a deficient number, since it is larger than the sum of its proper divisors (896725).

98998057 is an equidigital number, since it uses as much as digits as its factorization.

98998057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7979 (or 7866 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 55.

The square root of 98998057 is about 9949.7767311634. The cubic root of 98998057 is about 462.6034744862.

It can be divided in two parts, 9899 and 8057, that added together give a square (17956 = 134²).

The spelling of 98998057 in words is "ninety-eight million, nine hundred ninety-eight thousand, fifty-seven".