98688249 has 24 divisors (see below), whose sum is σ = 156405600. Its totient is φ = 59466240.

The previous prime is 98688229. The next prime is 98688307. The reversal of 98688249 is 94288689.

It is not a de Polignac number, because 98688249 - 2⁵ = 98688217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 98688195 and 98688204.

It is not an unprimeable number, because it can be changed into a prime (98688209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14937 + ... + 20505.

It is an arithmetic number, because the mean of its divisors is an integer number (6516900).

Almost surely, 2^98688249 is an apocalyptic number.

98688249 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

98688249 is a deficient number, since it is larger than the sum of its proper divisors (57717351).

98688249 is a wasteful number, since it uses less digits than its factorization.

98688249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5765 (or 5762 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 98688249 is about 9934.1959412929. The cubic root of 98688249 is about 462.1204077010.

The spelling of 98688249 in words is "ninety-eight million, six hundred eighty-eight thousand, two hundred forty-nine".