98644149 has 24 divisors (see below), whose sum is σ = 156461760. Its totient is φ = 61891776.

The previous prime is 98644127. The next prime is 98644159. The reversal of 98644149 is 94144689.

It is a de Polignac number, because none of the positive numbers 2^k-98644149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98644159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7809 + ... + 16070.

It is an arithmetic number, because the mean of its divisors is an integer number (6519240).

Almost surely, 2^98644149 is an apocalyptic number.

It is an amenable number.

98644149 is a deficient number, since it is larger than the sum of its proper divisors (57817611).

98644149 is a wasteful number, since it uses less digits than its factorization.

98644149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23911 (or 23899 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 98644149 is about 9931.9760873655. The cubic root of 98644149 is about 462.0515628063.

The spelling of 98644149 in words is "ninety-eight million, six hundred forty-four thousand, one hundred forty-nine".