89398873 has 2 divisors, whose sum is σ = 89398874. Its totient is φ = 89398872.

The previous prime is 89398871. The next prime is 89398877. The reversal of 89398873 is 37889398.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71859529 + 17539344 = 8477^2 + 4188^2 .

It is a cyclic number.

It is not a de Polignac number, because 89398873 - 2¹ = 89398871 is a prime.

Together with 89398871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (89398871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44699436 + 44699437.

It is an arithmetic number, because the mean of its divisors is an integer number (44699437).

Almost surely, 2^89398873 is an apocalyptic number.

It is an amenable number.

89398873 is a deficient number, since it is larger than the sum of its proper divisors (1).

89398873 is an equidigital number, since it uses as much as digits as its factorization.

89398873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 55.

The square root of 89398873 is about 9455.0977255658. The cubic root of 89398873 is about 447.1405067223.

The spelling of 89398873 in words is "eighty-nine million, three hundred ninety-eight thousand, eight hundred seventy-three".