98266021 has 6 divisors (see below), whose sum is σ = 114309510. Its totient is φ = 84227976.

The previous prime is 98266009. The next prime is 98266033. The reversal of 98266021 is 12066289.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (98266009) and next prime (98266033).

It can be written as a sum of positive squares in only one way, i.e., 58752225 + 39513796 = 7665^2 + 6286^2 .

It is not a de Polignac number, because 98266021 - 2⁵ = 98265989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98266061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1002666 + ... + 1002763.

It is an arithmetic number, because the mean of its divisors is an integer number (19051585).

Almost surely, 2^98266021 is an apocalyptic number.

It is an amenable number.

98266021 is a deficient number, since it is larger than the sum of its proper divisors (16043489).

98266021 is a wasteful number, since it uses less digits than its factorization.

98266021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005443 (or 2005436 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 98266021 is about 9912.9219204027. The cubic root of 98266021 is about 461.4604199507.

The spelling of 98266021 in words is "ninety-eight million, two hundred sixty-six thousand, twenty-one".