98090993 has 24 divisors (see below), whose sum is σ = 134064000. Its totient is φ = 70549920.

The previous prime is 98090947. The next prime is 98090999. The reversal of 98090993 is 39909089.

It is a happy number.

It is not a de Polignac number, because 98090993 - 2¹⁰ = 98089969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98090999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8 + ... + 14006.

It is an arithmetic number, because the mean of its divisors is an integer number (5586000).

Almost surely, 2^98090993 is an apocalyptic number.

It is an amenable number.

98090993 is a deficient number, since it is larger than the sum of its proper divisors (35973007).

98090993 is a wasteful number, since it uses less digits than its factorization.

98090993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14037 (or 14030 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 98090993 is about 9904.0897108215. The cubic root of 98090993 is about 461.1862780684.

The spelling of 98090993 in words is "ninety-eight million, ninety thousand, nine hundred ninety-three".