98604821 has 4 divisors (see below), whose sum is σ = 112691232. Its totient is φ = 84518412.

The previous prime is 98604799. The next prime is 98604827. The reversal of 98604821 is 12840689.

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 not a de Polignac number, because 98604821 - 2⁶ = 98604757 is a prime.

It is a super-3 number, since 3×98604821³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98604827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7043195 + ... + 7043208.

It is an arithmetic number, because the mean of its divisors is an integer number (28172808).

Almost surely, 2^98604821 is an apocalyptic number.

It is an amenable number.

98604821 is a deficient number, since it is larger than the sum of its proper divisors (14086411).

98604821 is a wasteful number, since it uses less digits than its factorization.

98604821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14086410.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 98604821 is about 9929.9960221543. The cubic root of 98604821 is about 461.9901502120.

The spelling of 98604821 in words is "ninety-eight million, six hundred four thousand, eight hundred twenty-one".