98445089 has 4 divisors (see below), whose sum is σ = 98494740. Its totient is φ = 98395440.

The previous prime is 98445077. The next prime is 98445091. The reversal of 98445089 is 98054489.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98054489 = 13 ⋅7542653.

It can be written as a sum of positive squares in 2 ways, for example, as 42315025 + 56130064 = 6505^2 + 7492^2 .

It is a cyclic number.

It is not a de Polignac number, because 98445089 - 2¹⁶ = 98379553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98445019) 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, 21722 + ... + 25859.

It is an arithmetic number, because the mean of its divisors is an integer number (24623685).

Almost surely, 2^98445089 is an apocalyptic number.

It is an amenable number.

98445089 is a deficient number, since it is larger than the sum of its proper divisors (49651).

98445089 is a wasteful number, since it uses less digits than its factorization.

98445089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49650.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 98445089 is about 9921.9498587727. The cubic root of 98445089 is about 461.7405529037.

The spelling of 98445089 in words is "ninety-eight million, four hundred forty-five thousand, eighty-nine".