98965889 has 16 divisors (see below), whose sum is σ = 114048000. Its totient is φ = 84931920.

The previous prime is 98965877. The next prime is 98965897. The reversal of 98965889 is 98856989.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 98965889 - 2⁴ = 98965873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98965859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74372 + ... + 75690.

It is an arithmetic number, because the mean of its divisors is an integer number (7128000).

Almost surely, 2^98965889 is an apocalyptic number.

It is an amenable number.

98965889 is a deficient number, since it is larger than the sum of its proper divisors (15082111).

98965889 is a wasteful number, since it uses less digits than its factorization.

98965889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708.

The product of its digits is 11197440, while the sum is 62.

The square root of 98965889 is about 9948.1600811406. The cubic root of 98965889 is about 462.5533636016.

Subtracting from 98965889 its reverse (98856989), we obtain a square (108900 = 330²).

The spelling of 98965889 in words is "ninety-eight million, nine hundred sixty-five thousand, eight hundred eighty-nine".