98957221 has 8 divisors (see below), whose sum is σ = 114303744. Its totient is φ = 84669120.

The previous prime is 98957213. The next prime is 98957281. The reversal of 98957221 is 12275989.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98957221 - 2³ = 98957213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98957281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264405 + ... + 264778.

It is an arithmetic number, because the mean of its divisors is an integer number (14287968).

Almost surely, 2^98957221 is an apocalyptic number.

It is an amenable number.

98957221 is a deficient number, since it is larger than the sum of its proper divisors (15346523).

98957221 is a wasteful number, since it uses less digits than its factorization.

98957221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529211.

The product of its digits is 90720, while the sum is 43.

The square root of 98957221 is about 9947.7244131510. The cubic root of 98957221 is about 462.5398588487.

The spelling of 98957221 in words is "ninety-eight million, nine hundred fifty-seven thousand, two hundred twenty-one".