98284221 has 24 divisors (see below), whose sum is σ = 169303680. Its totient is φ = 53719776.

The previous prime is 98284217. The next prime is 98284223. The reversal of 98284221 is 12248289.

It is not a de Polignac number, because 98284221 - 2² = 98284217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98284223) 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, 32466 + ... + 35363.

It is an arithmetic number, because the mean of its divisors is an integer number (7054320).

Almost surely, 2^98284221 is an apocalyptic number.

It is an amenable number.

98284221 is a deficient number, since it is larger than the sum of its proper divisors (71019459).

98284221 is a wasteful number, since it uses less digits than its factorization.

98284221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67865 (or 67862 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 98284221 is about 9913.8398716138. The cubic root of 98284221 is about 461.4889074553.

The spelling of 98284221 in words is "ninety-eight million, two hundred eighty-four thousand, two hundred twenty-one".