98619849 has 14 divisors (see below), whose sum is σ = 147863226. Its totient is φ = 65746080.

The previous prime is 98619847. The next prime is 98619863. The reversal of 98619849 is 94891689.

It can be written as a sum of positive squares in only one way, i.e., 93954249 + 4665600 = 9693^2 + 2160^2 .

It is not a de Polignac number, because 98619849 - 2¹ = 98619847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98619795 and 98619804.

It is not an unprimeable number, because it can be changed into a prime (98619847) 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 13 ways as a sum of consecutive naturals, for example, 66912 + ... + 68369.

It is an arithmetic number, because the mean of its divisors is an integer number (10561659).

Almost surely, 2^98619849 is an apocalyptic number.

It is an amenable number.

98619849 is a deficient number, since it is larger than the sum of its proper divisors (49243377).

98619849 is an equidigital number, since it uses as much as digits as its factorization.

98619849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135299 (or 135284 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 98619849 is about 9930.7526905064. The cubic root of 98619849 is about 462.0136190959.

The spelling of 98619849 in words is "ninety-eight million, six hundred nineteen thousand, eight hundred forty-nine".