89654221 has 2 divisors, whose sum is σ = 89654222. Its totient is φ = 89654220.

The previous prime is 89654197. The next prime is 89654231. The reversal of 89654221 is 12245698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68392900 + 21261321 = 8270^2 + 4611^2 .

It is a cyclic number.

It is not a de Polignac number, because 89654221 - 2¹⁵ = 89621453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89654231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44827110 + 44827111.

It is an arithmetic number, because the mean of its divisors is an integer number (44827111).

Almost surely, 2^89654221 is an apocalyptic number.

It is an amenable number.

89654221 is a deficient number, since it is larger than the sum of its proper divisors (1).

89654221 is an equidigital number, since it uses as much as digits as its factorization.

89654221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The square root of 89654221 is about 9468.5912890989. The cubic root of 89654221 is about 447.5658211807.

The spelling of 89654221 in words is "eighty-nine million, six hundred fifty-four thousand, two hundred twenty-one".