89198573 has 2 divisors, whose sum is σ = 89198574. Its totient is φ = 89198572.

The previous prime is 89198567. The next prime is 89198587. The reversal of 89198573 is 37589198.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88698724 + 499849 = 9418^2 + 707^2 .

It is a cyclic number.

It is not a de Polignac number, because 89198573 - 2⁶ = 89198509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89198503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44599286 + 44599287.

It is an arithmetic number, because the mean of its divisors is an integer number (44599287).

Almost surely, 2^89198573 is an apocalyptic number.

It is an amenable number.

89198573 is a deficient number, since it is larger than the sum of its proper divisors (1).

89198573 is an equidigital number, since it uses as much as digits as its factorization.

89198573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 50.

The square root of 89198573 is about 9444.4996161787. The cubic root of 89198573 is about 446.8063145319.

The spelling of 89198573 in words is "eighty-nine million, one hundred ninety-eight thousand, five hundred seventy-three".