98989745 has 8 divisors (see below), whose sum is σ = 119171520. Its totient is φ = 78935920.

The previous prime is 98989733. The next prime is 98989747. The reversal of 98989745 is 54798989.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-98989745 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98989747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30275 + ... + 33384.

It is an arithmetic number, because the mean of its divisors is an integer number (14896440).

Almost surely, 2^98989745 is an apocalyptic number.

It is an amenable number.

98989745 is a deficient number, since it is larger than the sum of its proper divisors (20181775).

98989745 is a wasteful number, since it uses less digits than its factorization.

98989745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63975.

The product of its digits is 6531840, while the sum is 59.

The square root of 98989745 is about 9949.3590245804. The cubic root of 98989745 is about 462.5905272028.

The spelling of 98989745 in words is "ninety-eight million, nine hundred eighty-nine thousand, seven hundred forty-five".