98490089 has 4 divisors (see below), whose sum is σ = 98714880. Its totient is φ = 98265300.

The previous prime is 98490047. The next prime is 98490101. The reversal of 98490089 is 98009489.

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 a de Polignac number, because none of the positive numbers 2^k-98490089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98490019) 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, 111737 + ... + 112614.

It is an arithmetic number, because the mean of its divisors is an integer number (24678720).

Almost surely, 2^98490089 is an apocalyptic number.

It is an amenable number.

98490089 is a deficient number, since it is larger than the sum of its proper divisors (224791).

98490089 is a wasteful number, since it uses less digits than its factorization.

98490089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224790.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 98490089 is about 9924.2172991123. The cubic root of 98490089 is about 461.8108972277.

The spelling of 98490089 in words is "ninety-eight million, four hundred ninety thousand, eighty-nine".