89943653 has 2 divisors, whose sum is σ = 89943654. Its totient is φ = 89943652.

The previous prime is 89943613. The next prime is 89943661. The reversal of 89943653 is 35634998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53919649 + 36024004 = 7343^2 + 6002^2 .

It is a cyclic number.

It is not a de Polignac number, because 89943653 - 2⁶ = 89943589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89943598 and 89943607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89943613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44971826 + 44971827.

It is an arithmetic number, because the mean of its divisors is an integer number (44971827).

Almost surely, 2^89943653 is an apocalyptic number.

It is an amenable number.

89943653 is a deficient number, since it is larger than the sum of its proper divisors (1).

89943653 is an equidigital number, since it uses as much as digits as its factorization.

89943653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The square root of 89943653 is about 9483.8627678810. The cubic root of 89943653 is about 448.0469315337.

The spelling of 89943653 in words is "eighty-nine million, nine hundred forty-three thousand, six hundred fifty-three".