89863321 has 2 divisors, whose sum is σ = 89863322. Its totient is φ = 89863320.

The previous prime is 89863303. The next prime is 89863337. The reversal of 89863321 is 12336898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78057225 + 11806096 = 8835^2 + 3436^2 .

It is a cyclic number.

It is not a de Polignac number, because 89863321 - 2⁵ = 89863289 is a prime.

It is a super-2 number, since 2×89863321² = 16150832922298082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89863381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44931660 + 44931661.

It is an arithmetic number, because the mean of its divisors is an integer number (44931661).

Almost surely, 2^89863321 is an apocalyptic number.

It is an amenable number.

89863321 is a deficient number, since it is larger than the sum of its proper divisors (1).

89863321 is an equidigital number, since it uses as much as digits as its factorization.

89863321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 89863321 is about 9479.6266276684. The cubic root of 89863321 is about 447.9135027123.

The spelling of 89863321 in words is "eighty-nine million, eight hundred sixty-three thousand, three hundred twenty-one".