98026721 has 4 divisors (see below), whose sum is σ = 105567252. Its totient is φ = 90486192.

The previous prime is 98026717. The next prime is 98026729. The reversal of 98026721 is 12762089.

It is a happy number.

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 67831696 + 30195025 = 8236^2 + 5495^2 .

It is a cyclic number.

It is not a de Polignac number, because 98026721 - 2² = 98026717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98026729) 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, 3770246 + ... + 3770271.

It is an arithmetic number, because the mean of its divisors is an integer number (26391813).

Almost surely, 2^98026721 is an apocalyptic number.

It is an amenable number.

98026721 is a deficient number, since it is larger than the sum of its proper divisors (7540531).

98026721 is a wasteful number, since it uses less digits than its factorization.

98026721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7540530.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 98026721 is about 9900.8444589338. The cubic root of 98026721 is about 461.0855286184.

The spelling of 98026721 in words is "ninety-eight million, twenty-six thousand, seven hundred twenty-one".