98644249 has 4 divisors (see below), whose sum is σ = 107611920. Its totient is φ = 89676580.

The previous prime is 98644241. The next prime is 98644253. The reversal of 98644249 is 94244689.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98644249 - 2³ = 98644241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98644199 and 98644208.

It is not an unprimeable number, because it can be changed into a prime (98644241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4483819 + ... + 4483840.

It is an arithmetic number, because the mean of its divisors is an integer number (26902980).

Almost surely, 2^98644249 is an apocalyptic number.

It is an amenable number.

98644249 is a deficient number, since it is larger than the sum of its proper divisors (8967671).

98644249 is a wasteful number, since it uses less digits than its factorization.

98644249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8967670.

The product of its digits is 497664, while the sum is 46.

The square root of 98644249 is about 9931.9811216091. The cubic root of 98644249 is about 462.0517189404.

The spelling of 98644249 in words is "ninety-eight million, six hundred forty-four thousand, two hundred forty-nine".