89621193 has 8 divisors (see below), whose sum is σ = 119664000. Its totient is φ = 59662928.

The previous prime is 89621117. The next prime is 89621197. The reversal of 89621193 is 39112698.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89621193 - 2¹² = 89617097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89621197) 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 7 ways as a sum of consecutive naturals, for example, 18618 + ... + 22931.

It is an arithmetic number, because the mean of its divisors is an integer number (14958000).

Almost surely, 2^89621193 is an apocalyptic number.

It is an amenable number.

89621193 is a deficient number, since it is larger than the sum of its proper divisors (30042807).

89621193 is a wasteful number, since it uses less digits than its factorization.

89621193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42271.

The product of its digits is 23328, while the sum is 39.

The square root of 89621193 is about 9466.8470464036. The cubic root of 89621193 is about 447.5108543709.

The spelling of 89621193 in words is "eighty-nine million, six hundred twenty-one thousand, one hundred ninety-three".