89198389 has 4 divisors (see below), whose sum is σ = 101941024. Its totient is φ = 76455756.

The previous prime is 89198363. The next prime is 89198399. The reversal of 89198389 is 98389198.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98389198 = 2 ⋅49194599.

It is a cyclic number.

It is not a de Polignac number, because 89198389 - 2⁷ = 89198261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89198359) 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 in 3 ways as a sum of consecutive naturals, for example, 6371307 + ... + 6371320.

It is an arithmetic number, because the mean of its divisors is an integer number (25485256).

Almost surely, 2^89198389 is an apocalyptic number.

It is an amenable number.

89198389 is a deficient number, since it is larger than the sum of its proper divisors (12742635).

89198389 is a wasteful number, since it uses less digits than its factorization.

89198389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12742634.

The product of its digits is 1119744, while the sum is 55.

The square root of 89198389 is about 9444.4898750541. The cubic root of 89198389 is about 446.8060073057.

The spelling of 89198389 in words is "eighty-nine million, one hundred ninety-eight thousand, three hundred eighty-nine".