89830221 has 16 divisors (see below), whose sum is σ = 132135360. Its totient is φ = 53930880.

The previous prime is 89830217. The next prime is 89830229. The reversal of 89830221 is 12203898.

It is not a de Polignac number, because 89830221 - 2² = 89830217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89830229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26491 + ... + 29688.

It is an arithmetic number, because the mean of its divisors is an integer number (8258460).

Almost surely, 2^89830221 is an apocalyptic number.

It is an amenable number.

89830221 is a deficient number, since it is larger than the sum of its proper divisors (42305139).

89830221 is a wasteful number, since it uses less digits than its factorization.

89830221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56236.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 89830221 is about 9477.8806175220. The cubic root of 89830221 is about 447.8585015637.

The spelling of 89830221 in words is "eighty-nine million, eight hundred thirty thousand, two hundred twenty-one".