89430893 has 2 divisors, whose sum is σ = 89430894. Its totient is φ = 89430892.

The previous prime is 89430871. The next prime is 89430899. The reversal of 89430893 is 39803498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88021924 + 1408969 = 9382^2 + 1187^2 .

It is a cyclic number.

It is not a de Polignac number, because 89430893 - 2⁸ = 89430637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89430899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44715446 + 44715447.

It is an arithmetic number, because the mean of its divisors is an integer number (44715447).

Almost surely, 2^89430893 is an apocalyptic number.

It is an amenable number.

89430893 is a deficient number, since it is larger than the sum of its proper divisors (1).

89430893 is an equidigital number, since it uses as much as digits as its factorization.

89430893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 89430893 is about 9456.7908404490. The cubic root of 89430893 is about 447.1938844645.

The spelling of 89430893 in words is "eighty-nine million, four hundred thirty thousand, eight hundred ninety-three".