89358641 has 2 divisors, whose sum is σ = 89358642. Its totient is φ = 89358640.

The previous prime is 89358623. The next prime is 89358649. The reversal of 89358641 is 14685398.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82283041 + 7075600 = 9071^2 + 2660^2 .

It is a cyclic number.

It is not a de Polignac number, because 89358641 - 2¹⁰ = 89357617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89358592 and 89358601.

It is not a weakly prime, because it can be changed into another prime (89358649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44679320 + 44679321.

It is an arithmetic number, because the mean of its divisors is an integer number (44679321).

Almost surely, 2^89358641 is an apocalyptic number.

It is an amenable number.

89358641 is a deficient number, since it is larger than the sum of its proper divisors (1).

89358641 is an equidigital number, since it uses as much as digits as its factorization.

89358641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 44.

The square root of 89358641 is about 9452.9699565798. The cubic root of 89358641 is about 447.0734214019.

It can be divided in two parts, 8935 and 8641, that added together give a cube (17576 = 26³).

The spelling of 89358641 in words is "eighty-nine million, three hundred fifty-eight thousand, six hundred forty-one".