98649789 has 12 divisors (see below), whose sum is σ = 153008064. Its totient is φ = 56371224.

The previous prime is 98649773. The next prime is 98649797. The reversal of 98649789 is 98794689.

It is not a de Polignac number, because 98649789 - 2⁴ = 98649773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98649709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335397 + ... + 335690.

It is an arithmetic number, because the mean of its divisors is an integer number (12750672).

Almost surely, 2^98649789 is an apocalyptic number.

It is an amenable number.

98649789 is a deficient number, since it is larger than the sum of its proper divisors (54358275).

98649789 is a wasteful number, since it uses less digits than its factorization.

98649789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671104 (or 671097 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 60.

The square root of 98649789 is about 9932.2600147197. The cubic root of 98649789 is about 462.0603686036.

The spelling of 98649789 in words is "ninety-eight million, six hundred forty-nine thousand, seven hundred eighty-nine".