98965 has 4 divisors (see below), whose sum is σ = 118764. Its totient is φ = 79168.

The previous prime is 98963. The next prime is 98981. The reversal of 98965 is 56989.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58564 + 40401 = 242^2 + 201^2 .

It is a cyclic number.

It is not a de Polignac number, because 98965 - 2¹ = 98963 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9892 + ... + 9901.

It is an arithmetic number, because the mean of its divisors is an integer number (29691).

2⁹⁸⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

98965 is a deficient number, since it is larger than the sum of its proper divisors (19799).

98965 is a wasteful number, since it uses less digits than its factorization.

98965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19798.

The product of its digits is 19440, while the sum is 37.

The square root of 98965 is about 314.5870308833. The cubic root of 98965 is about 46.2551978575.

The spelling of 98965 in words is "ninety-eight thousand, nine hundred sixty-five".